Long Wedding Guest Dresses
Elevate your wedding guest style with these gorgeous long dresses. Whether you prefer a flattering A-line, dramatic mermaid, or sleek sheath silhouette, these styles feature luxe fabrics like satin, rhinestones, velvet, and glitter knit. Perfect for semi-formal, formal, or black-tie weddings, with stunning details like side slits, low backs, and strappy or strapless necklines. Find your picture-perfect long dress or gown for your upcoming wedding celebration.
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Long Wedding Guest Dresses Made for a Grand Entrance
Long Wedding Guest Dresses bring the drama for fall and winter weddings with sweeping lengths, elegant shapes, and luxe details made for celebrating. From flowing A-line dresses to sleek column and curve-defining designs, Windsor’s collection gives you plenty of ways to go long for formal receptions, holiday weddings, and every dressed-up RSVP this season.
Long Silhouettes from Flowing to Fitted
The best long dresses for wedding guest style balance the impact of the length with a silhouette that feels like you. A-line dresses create graceful movement, while fitted and column shapes offer a sleeker profile. Mermaid Wedding Guest Dresses contour through the bodice and hips before flaring toward the hem for a more dramatic finish.
Modern details give these silhouettes even more personality. Corset bodices and lace-up backs can add structure or adjustability, while ruching and ruffles bring texture and dimension. Cowl, halter, off-the-shoulder, square, V-neck, and sweetheart necklines give you different ways to frame your look.
Floor-Length Wedding Guest Dresses Made to Move
Floor-Length Wedding Guest Dresses may bring the drama, but they should still let you enjoy the celebration. Front, side, or back slits give a long skirt more freedom of movement while creating a stylish reveal of your heels. They can also make the silhouette come alive as you walk, dance, and capture those must-post photos from the celebration.
For a little less length, explore mid-length wedding guest dresses when you want an elevated look that puts more focus on your shoes.
Why Choose a Long Dress for a Fall or Winter Wedding?
Long silhouettes are a natural choice for cooler-season weddings when you want more coverage without giving up a dressed-up look. Satin and lace can transition beautifully through fall, while velvet brings richer texture as winter arrives. Glitter, sequins, rhinestones, and beaded details dial up the festive mood for holiday and New Year’s Eve weddings.
For colder celebrations where you want more arm coverage, long sleeve formal dresses offer another season-ready option. If the invitation calls for an especially elevated dress code, explore formal wedding guest dresses for styles suited to black-tie celebrations.
What Is the Best Long Dress for a Wedding Guest?
Start with the dress code, then consider the venue and overall vibe of the wedding. A flowing A-line dress can complement an outdoor or rustic setting, while a sleek column or mermaid silhouette can match the polished mood of an elegant indoor or city celebration. For formal weddings, look to floor-length styles in luxe fabrics or with refined embellishments to meet the dressier moment.
From softly flowing shapes to fitted statement styles, Windsor’s Long Wedding Guest Dresses give you elegant options for fall, winter, holiday, and New Year’s Eve celebrations.
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Ashleigh Formal Crepe A-Line Dress
Special Occasion
Celebrate a special moment in the Ashleigh formal dress for red-carpet events or bridesmaids! She radiates a sultry style featuring a sleeveless sweetheart neckline, wide adjustable shoulder straps, a lightly padded bust, a princess seam bodice, an A-line silhouette with a pleated side seam, and faux wrap floor-length hem with a slit accent. The formal dress is composed of a lined crepe fabric with minimal stretch. Style with a sparkly clutch and heels to complete the look!
Fit & Features
- Sleeveless sweetheart neckline, wide adjustable shoulder straps
- Back zipper and hook-eye closure
- Lightly padded bust, princess seam bodice, bra optional
- Pleated side seam, A-line silhouette
- Faux wrap floor-length hem, slit accent
- Lined crepe fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-3735
Category Name: Long Wedding Guest Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Martha Formal Satin Mermaid Long Dress
Special Occasion
Martha is ready for her close-up on bridesmaids or for a fancy cocktail event! She features a sleeveless scoop neckline, a ruched and padded bust, spaghetti straps that lace up along the open back, a lower ruched seam to accentuate your curves, and a form-hugging mermaid silhouette that effortlessly flares into the floor-length hem. The formal dress is composed of a smooth satin-knit fabric with a subtle sheen perfect for bringing the chic allure! Style with earrings and a beaded clutch to complete the look.
Fit & Features
- Sleeveless scoop neckline, ruched and padded bust
- Spaghetti straps, back hook and eye closure
- Strappy lace-up open-back design
- Back lower ruched seam and zipper closure
- Form-hugging, mermaid silhouette, floor-length hem
- Smooth satin-knit fabric, mini-length knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-3023
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Paisley Formal Sequin Leaf Dress
Special Occasion
Shine like the rare gem you are in our captivating Paisley dress! She features a plunging V neckline, padded cups, vertical princess seams at the bust and tank-like straps. Her relaxed fit empire waist leads to a curve hugging mermaid silhouette. She is adorned with sparkling sequins throughout that are set in a leaf pattern. Dress is composed of a lined mesh fabric that offers a form hugging fit with a slight stretch. Includes a back zipper closure with fish and hook closure.
Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0303
Category Name: Long Wedding Guest Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Drew Open Back Glitter Mermaid Dress
Special Occasion
Shimmer with every step in the glam Drew glitter floor-length dress designed with a revealing open back and high front slit to show skin along the mermaid silhouette. Pair with earrings.
Fit & Features
- Glitter knit fabric with knit lining, moderate stretch
- Sleeveless square neckline, pleated draped cowl neck overlay
- Tank shoulder straps, padded bra cups
- Open back, bar back accent
- Front ruching, high front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8821
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: RED
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Melody Formal One Shoulder Satin Dress
Special Occasion
Make a mesmerizing impression with a formal dress that creates a head-turning moment! Melody features a one-shoulder neckline, a double-row of asymmetrical spaghetti straps, and an A-line silhouette with an ultra-high side slit. The dress is composed of a lined satin fabric that offers a form hugging fit with a moderate stretch. Complete look with high heels and a rhinestone clutch.
Fit & Features
- One-shoulder neckline
- Double-row asymmetrical spaghetti straps
- Adhesive bra recommended
- High waist
- High side slit
- A-line
- Lined satin fabric
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-2269
Category Name: Long Wedding Guest Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Rhonda Strappy Back Slit Glitter Formal Dress
Special Occasion
Capture a marvelous shine in the Rhonda mermaid glitter formal dress with a gorgeous open strappy back and high front slit for effortless movement all night!
Fit & Features
- Glitter knit fabric with full-length knit lining, high stretch
- Sleeveless V-neckline, padded bust, ruching
- Adjustable spaghetti straps
- Open back with strappy design, hook and bar closure, ruched zipper with hook-eye closure
- Ruched faux wrap-front design, high slit
- Floor-length mermaid silhouette
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, galas, red-carpet events, and fancy soirees.
Style Number/Barcode: 05002-9045
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jodie Polka Dot Chiffon Mermaid Formal Dress
Special Occasion
Designed to move with an easy elegance, the Jodie chiffon mermaid dress feels polished yet playful from every angle. A softly draped cowl neckline, tiered ruffles, and an included scarf create a romantic silhouette that’s effortlessly memorable.
Fit & Features
- Lightweight chiffon fabric with polka dot print
- Soft cowl neckline with delicate adjustable spaghetti straps
- Back zipper and hook-eye closure
- Tiered ruffle skirt for dimensional flow
- Mermaid floor-length silhouette
- Includes a matching scarf for styling
- Runs true to size
Where to Wear:
Weddings, garden parties, vineyard or coastal resorts, bridal showers, baby showers, dressy celebration parties, fashion-forward events, sunset cocktail soirees
Style Number/Barcode: 05002-000994
Category Name: Long Wedding Guest Dresses
Price: $74.90
Availability: In Stock
Available Color: BURGUNDY
Available Size: XS
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Tanya Lace-Up Slit Mermaid Beaded Formal Dress
Special Occasion
Step into the spotlight in the stunning Tanya beaded mermaid formal dress! Designed with a striking lace-up back and high front slit for effortless movement.
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Beaded and sequin embellishments
- Mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Ruffled spaghetti straps
- Lace-up back, zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, garden parties, weddings, and formal celebrations.
Style Number/Barcode: 05002-9410
Category Name: Long Wedding Guest Dresses
Price: $19.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Corrine Sheer Lace High Slit Mermaid Dress
Special Occasion
Showcase alluring glamour in the chic Corrine formal dress! She features a sleeveless sheer lace bustier-style bodice with structured and lined cups, an eyelash lace trim, adjustable spaghetti straps, a sexy sheer mesh insert at the waist, a floor-length crepe skirt with a thigh-high side slit to show off some leg, and a form-hugging mermaid silhouette. Style with rhinestone fringe earrings to complete your fancy look.
Fit & Features
- Sleeveless sheer lace bustier-style bodice, eyelash lace trim
- Structured, padded, and lined cups
- Adjustable spaghetti straps, back zipper, hook and eye closure
- Sheer mesh insert at the waist, high waist seam
- Floor-length crepe skirt, moderate stretch, high side slit
- Fitted mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-2651
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jaymie Tie-Back Floral Velvet Mermaid Formal Dress
Special Occasion
Make any entrance unforgettable in the Jaymie mermaid formal dress perfect for school dances, weddings, and fancy soirees. With a chiffon tie-back design and a lovely flocked velvet floral pattern, this floor-length dress will keep compliments coming all night. Pair with heels.
Fit & Features
- Flocked floral velvet pattern, mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Chiffon tie-back design, zipper and hook-eye closure
- Ruched side seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9024
Category Name: Long Wedding Guest Dresses
Price: $39.97 $76.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Alaina Glitter Knit Mermaid Dress
Special Occasion
The Alaina strapless glitter knit mermaid dress is all about sleek drama, showcasing a smooth, luminous finish that feels effortlessly elevated. A striking open back with O-ring detail adds just the right touch of glamour for moments that call for unforgettable entrance energy.
Fit & Features
- Strapless straight neckline
- Fitted bodice
- Side cutouts at the waist leading to open lower back
- O-ring back detail with dangling chain and rhinestone accent
- Curve-hugging mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, winter formal, black-tie parties, galas, birthday celebrations, and red-carpet events.
Style Number/Barcode: 05002-000798
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW, LIGHT, BLUE
Available Size: M, L, XL
Product Badge:- Ships Free
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Constance Formal Ruffled Glitter Dress
Special Occasion
Radiate elegance with a formal dress that channels endless shine! Constance features a sleeveless square neckline and spaghetti straps. Her high waist features a gorgeous high side slit with a ruffled trim and an A-line silhouette. The dress is composed of a lined glitter knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps
- High waist
- High side slit, ruffled trim
- A-Line, mini skirt length knit lining
- Lined glitter knit fabric
- Form hugging fit, moderate stretch, runs true to size
The saturation of glitter varies. Glitter may transfer.
Style Number/Barcode: 05002-1920
Category Name: Long Wedding Guest Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Allesia Velvet Evening Gown
Special Occasion
Ring in your special day with a sleek and sexy look. Pair with your favorite statement earrings for a stunning look.
Fits & Features
- V Neckline
- Tank Straps Lead To Low Back With Bar Detail
- Floor Length Hemline With Slight Fare
- Velvet Fabric I Fully Lined
- Curve Hugging Fit I Moderate Stretch
Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0306
Category Name: Long Wedding Guest Dresses
Price: $29.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Romina Lace Cowl Neck High Slit Mermaid Dress
Special Occasion
Showcase chic elegance in the Romina formal mermaid dress crafted with sheer detailed lace fabric with a complete knit lining. It features a sleeveless sweetheart neckline with a built-in padded bust, a draped cowl neck overlay, adjustable spaghetti straps for a customized fit, and a floor-length mermaid silhouette accented with a high-cut front slit.
Fit & Features
- Sheer lace fabric with knit lining, moderate stretch
- Sweetheart neckline with padded bust, draped cowl neck overlay, underbust seam
- Adjustable spaghetti straps
- Back zipper with hook-eye closure, ruching
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8781
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
- Sheer lace fabric with knit lining, moderate stretch
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Sophia Lace-Up Ruffle Mermaid Mesh Formal Dress
Special Occasion
The sweetness of ruffles combined with the statement look of the Sophia mesh formal dress is the perfect style for bridesmaids or party guests! This stunning dress is designed with a flattering square neckline, adjustable spaghetti straps for a customizable fit, and a mermaid silhouette that accentuates your curves. The ruffled trim and high side slit add a touch of drama, while the mesh fabric exudes sophistication. Complete your formal look in dainty earrings and a bracelet for a chic touch!
Fit & Features
- Mesh fabric lined with stretchy knit
- Padded bra cups
- Adjustable spaghetti straps
- Lace-up, back zipper and hook-eye closure
- Mermaid silhouette, ruffles
- High side slit
- Runs true to size
Style Number/Barcode: 05002-8383
Category Name: Long Wedding Guest Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cadence Formal Crepe Ruched Mermaid Dress
Special Occasion
So dreamy and demure! The Cadence formal crepe long dress embodies sophistication at its finest. She features a sweetheart neckline, spaghetti straps, a ruched bodice detail, a high front slit to show some leg, and a flattering mermaid silhouette and graceful floor-length hem. Crafted from a lightweight crepe fabric offering plenty of stretch for comfort. Finish the look with chandelier earrings for a banquet or black tie wedding.
Fit & Features
- Sleeveless sweetheart neckline, spaghetti straps
- Ruched bodice, back zipper and hook-eye closure
- Mermaid silhouette
- High front slit, floor-length hem
- Lightweight crepe fabric, moderate stretch
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-8199
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lilliana Cowl Neck Knit Mermaid Dress
Special Occasion
Radiate beauty at your next formal affair in the chic Lilliana formal mermaid dress! Designed with a stretchy knit fabric with a full-length knit lining, she features a sleeveless cowl neckline, adjustable spaghetti straps to find your perfect customized fit, ruched seams at the bodice, and a floor-sweeping hem with a curve-hugging mermaid silhouette. Complete the look with sleek hoops and strappy stilettos.
Fit & Features
- Stretchy lined knit fabric
- Cowl neckline
- Adjustable spaghetti straps
- Ruched side seams
- Mermaid fit
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8714
Category Name: Long Wedding Guest Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Devon Formal Cowl Back Long Dress
Special Occasion
Effortless beauty embodies the Devon formal dress sure to make a striking impression on bridesmaids or holiday soirees! She stuns in a sleeveless square neckline, sleek spaghetti straps, a low cowl back accent, a form-hugging silhouette, a sultry side slit, and a floor-grazing long hem. The formal dress is composed of a soft and sleek knit fabric with a knit lining and moderate stretch. Style with a statement evening bag and heels to complete the look!
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Low cowl back accent
- Form-hugging silhouette
- Side slit, floor-length hem
- Soft, sleek knit fabric, knit lining, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-6892
Category Name: Long Wedding Guest Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Karen Satin Wrap Formal Gown
Special Occasion
Wrap yourself in elegance tonight when you slip into our Karen gown! She is designed with a v neckline, spaghetti straps that are adjustable, padded cups, and a surplice bodice with fold over trim. Her bodice leads to a high waist line that has a gathering at one side and the start of a long skirt that wraps over. Her skirt leads to a floor sweeping length and she features a high slit at the center which gives access to move around freely and comfortably. She is lined at the bust and has a zipper closure at the back with a hook and eye closure that keeps her in place all night!
Model is 5'7" with a 34" bust, 24" waist and 34" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0364
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Adele Sleeveless Lace Mermaid Dress With Bolero
Special Occasion
Create an elegantly chic look in the Adele mermaid dress designed with sheer lace fabric with a full-length knit lining. It features a sleeveless square neckline, adjustable spaghetti straps for a customized fit, a floor-sweeping mermaid silhouette to showcase your gorgeous curves, and a sheer lace long sleeve bolero for added coverage that can be removed.
Fit & Features
- Sheer lace fabric with knit lining, moderate stretch
- Square neckline
- Adjustable spaghetti straps
- Underbust and high waist seams
- Floor-length mermaid silhouette
- Removable sheer lace long sleeve bolero
- Runs true to size
Style Number/Barcode: 05002-8783
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kimberly Formal Flocked Mesh A-Line Dress
Special Occasion
Beautifully bold and stunning! The Kimberly formal dress will capture every heart at galas and black tie functions! She stuns in a sleeveless V-neckline with a sheer mesh insert, a padded and pleated bust, adjustable spaghetti straps that cross along the open back, and an empire waist that leads to her flattering A-line silhouette with a floor-length hem. The formal dress is composed of a flocked velvet pattern mesh fabric with a stretchy knit lining and dual front slits. Complete the look with dangly rhinestone earrings.
Fit & Features
- Sleeveless V-neckline, sheer mesh insert
- Padded and pleated bust, back zipper and hook-eye closure
- Adjustable spaghetti straps, open back, cross back straps
- Empire waist, A-line silhouette, floor-length hem
- Flocked velvet pattern on sheer mesh
- Stretchy knit lining, dual front slits
- Runs true to size
Style Number/Barcode: 05002-6819
Category Name: Long Wedding Guest Dresses
Price: $29.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kensley Open Back Slit Sequin Formal Dress
Special Occasion
When you walk in wearing the Kensley sequin formal dress don't be surprised if you hear sounds of applause! Shimmer and shine in this form-hugging dress boasting an open back for a sultry allure and a high front slit for effortless movement.
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Sequin embellished mesh-lined fabric
- V-neckline, adjustable spaghetti straps
- Open back, zipper closure
- Form-hugging fit
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie soirees, big birthday events
Style Number/Barcode: 05002-9629
Category Name: Long Wedding Guest Dresses
Price: $14.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kimberly One-Shoulder Formal Dress
Special Occasion
Bring the drama to your formal night out look with the chic Kimberly one-shoulder dress. She features a puff shoulder design, a single long fitted sleeve, pleated detailing at the bodice, a flattering high waist seam, and a floor-length fitted silhouette with a sultry thigh-high front slit. Style this dress with rhinestone earrings and stilettos.
Fit & Features
- One-shoulder neckline
- Puff shoulder, single long fitted sleeve
- Pleated detailing at the bodice
- Back zipper and hook and eye closure
- High waist seam, floor-length, fitted silhouette, high front slit
- Crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1387
Category Name: Long Wedding Guest Dresses
Price: $8.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Katerina Square Neck Mermaid Glitter Formal Dress
Special Occasion
Make a glittering entrance in the Katerina long formal dress at prom, banquets, or as a stunning party guest! Crafted from sparkling glitter knit fabric, this formal gown shines under the dancefloor lights. Featuring a square neckline with elegant cowl draping, a halter neck tie, and adjustable spaghetti straps for a perfect fit. The padded bra cups and cutout open back add a touch of seductive charm, while the mermaid silhouette hugs your curves and the floor-length hem exudes sophistication. Complete the look in strappy platform heels and rhinestone jewelry for extra glamour!
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Padded bra cups
- Halter tie-neck, adjustable spaghetti straps
- Cutout open back, back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8402
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free