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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Samira Mesh High Slit A-Line Formal Dress
Special Occasion
The Samira mesh formal dress attracts all the attention at events or celebrations! The floor-length dress boasts a flattering sweetheart neckline, side ruched seams to accentuate your curves, and a high-side slit to show off your heels.
Fit & Features
- Sheer mesh fabric with smooth knit lining, plenty of stretch
- Sweetheart neckline with padded bust, draped cowl neck overlay
- Adjustable spaghetti straps
- Ruched side seams, asymmetric front seam
- High side slit
- Floor-length A-line silhouette
- Runs true to size
Style Number/Barcode: 05002-8790
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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Naomi High Slit Glitter Knit Formal Dress
Special Occasion
Capture gorgeous glamour with the stunning details of the Naomi high slit glitter knit formal dress! She features a sleeveless sweetheart neckline with a chic cowl neck overlay, thin tank shoulder straps, a fitted high waist seam, a floor-length asymmetric hem creating an alluring high-cut side slit, and a slim-fit silhouette. The glitter knit fabric includes a full-length knit lining and offers plenty of stretch. Complete your glitzy formal look for a wedding with rhinestone heels!
Fit & Features
- Sleeveless sweetheart neckline, cowl neck overlay
- Tank shoulder straps
- High waist seam, floor-length asymmetric hem, high side slit
- Slim-fit silhouette
- Glitter knit fabric, full-length knit lining, plenty of stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7591
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Teagan Sequin Slim-Fit Formal Dress
Special Occasion
Catch all the glances in the gorgeous illuminating Teagan formal dress! She features a sleeveless wrap-front sweetheart neckline, padded cups that eliminate the need for a bra, and adjustable spaghetti straps for a customizable fit. Her empire waist leads to a floor-length slim-fit silhouette. The lined mesh fabric showcases all-over iridescent sequin embroidery in a gorgeous damask design. Complete the look with a sparkly clutch.
Fit & Features
- Sleeveless sweetheart neckline, adjustable spaghetti straps
- Padded cups, no bra required
- Empire waist, back zipper, hook and eye closure
- Floor-length slim-fit silhouette
- Iridescent sequin embroidery, damask design
- Sheer mesh fabric, full knit lining
- Minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2131
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Soleil Formal Open Back Glitter Dress
Special Occasion
Bring out your glowing beauty with a formal prom dress that mesmerizes from the moment you enter the room! Soleil features a sleeveless V-neckline with adjustable spaghetti straps, padded cups, a bold U-shaped open back design, hidden side pockets, and a floor-length A-line silhouette. The dress is composed of an iridescent woven glitter fabric that offers a flowy fit with a moderate stretch. Complete your prom look with rhinestone heels.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Padded cups
- U-shaped open back, zipper and hook and eye closure
- Hidden side pockets
- Floor-length A-line silhouette with wide banded hem
- Iridescent woven glitter knit fabric, short knit lining
- Flowy fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1983
Category Name: Long Wedding Guest Dresses
Price: $50.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Blakely Formal Open Back Dress
Special Occasion
Make a grand entrance in a formal dress that highlights your sophisticated style! The dress features a sleeveless cowl neckline, spaghetti straps, and a sexy open back with lace-up straps for a customized fit. The slim-fit waist leads to an A-line silhouette with ruching throughout and is accented with a high side slit. The dress is composed of a lined smooth knit fabric with a metallic sheen finish. Complete look with rhinestone heels.
Fit & Features
- Sleeveless cowl neckline
- Adhesive bra recommended
- Spaghetti straps
- Ruching, high side slit
- Open back, lace-up straps
- Lined smooth knit fabric, metallic sheen
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-1958
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Mackenzie Satin Corset Mermaid Formal Dress
Special Occasion
A look that lingers long after you’ve left the room, the Mackenzie knit satin mermaid gown is all about sculpted elegance and soft-glow detail. The strapless corset lace sequin bodice adds dimension and shimmer, creating a silhouette that's unforgettable.
Fit & Features
- Stretch satin fabric, knit lining
- Strapless sweetheart pleated neckline, padded bra cups
- Back zipper and hook-eye closure
- Lace sequin corset bodice, flexible boning
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, prom, red-carpet occasions, fancy birthday events, cocktail dinner parties, award nights, and black-tie galas.
Style Number/Barcode: 05002-001502
Category Name: Long Wedding Guest Dresses
Price: $129.90
Availability: Out of Stock
Product Badge:- Ships Free
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Alayna Satin V-Neck Mermaid Formal Dress
Special Occasion
Elegantly effortless, the Alayna drapes in satin with a refined V-neckline that sets the tone for a beautifully fluid moment. The open strappy back and mermaid floor-length silhouette bring soft drama and movement, creating a look designed for polished, unforgettable celebrations.
Fit & Features
- Satin fabric with smooth, fluid drape
- V-neckline with slim adjustable straps
- Open strappy back with sleek cowl drape
- Mermaid floor length silhouette
- Runs true to size
Where to Wear:
Weddings, formal holiday soirees, black tie galas, anniversaries, luxe date nights, dressy birthday events, engagement parties, rehearsal dinners, winter formals, red-carpet nights, opera or theatre nights, destination celebrations, resort dinners
Style Number/Barcode: 05002-000779
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Kira Formal Satin Slit Long Dress
Special Occasion
Light-catching satin on the Kira formal dress highlights your sense of style this party season! She features a sleeveless sweetheart neckline, sleek spaghetti straps, a pleated side seam atop her sultry high slit, a flattering slim silhouette, and a long hem. The formal dress is crafted from a smooth and silky satin knit fabric that brings the luxe to your night! Complete the look with sparkly earrings and a clutch for a school dance or fancy dinner banquet.
Fit & Features
- Sleeveless sweetheart neckline
- Spaghetti straps
- Pleated side seam, high slit
- Slim silhouette, long hem
- Satin knit fabric, moderate stretch
- Strapless bra recommended
- Runs true to size
Style Number/Barcode: 05002-7669
Category Name: Long Wedding Guest Dresses
Price: $29.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Selena Formal One Shoulder Ruched Dress
Special OccasionStun with a little shoulder action as you channel sophistication in our Selena dress! She features a classic black hue, a one shoulder neckline with a single shoulder strap and a ruched side detail. Her slim fit bodice leads to an asymmetrical hem to show off your fab heel game! Dress is composed of a lined smooth knit fabric that offers a form hugging fit with a moderate stretch.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6702
Category Name: Long Wedding Guest Dresses
Price: $19.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Cora Satin Corset Slit Formal Dress
Special Occasion
Sleek and sculptural, the Cora satin gown is made for evenings that call for polished drama. A mesh applique corset bodice shapes the waist before flowing into a mermaid silhouette with a high slit that adds movement and allure.
Fit & Features
- Stretch satin fabric lined with knit
- Strapless corset applique sheer mesh bodice
- Flexible boning, padded bra cups
- Back zipper and hook-eye closure
- High slit design
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, black tie weddings, galas, balls, big birthday events, formal celebrations, red-carpet occasions, upscale receptions, fashion-forward events
Style Number/Barcode: 05002-000835
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Hollie Lace-Up Mermaid Sequin Beaded Formal Dress
Special Occasion
Sparkling with sequins and intricate beading, the Hollie mermaid formal dress dares to impress with a lace-up back and high slit giving major allure!
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 sequin embellishments
- Mesh-lined fabric
- Cowl neckline, adjustable spaghetti straps
- Back lace-up, zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, fancy parties, glam functions
Style Number/Barcode: 05002-9213
Category Name: Long Wedding Guest Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kollyn Formal Surplice Ruched Mermaid Dress
Special Occasion
Meet your look for upcoming fancy soirees or events! The Kollyn formal dress features a classy surplice V-neckline and V-cut back, adjustable spaghetti straps, a padded bust, side ruched seams that accentuate your natural curves, a flattering mermaid silhouette, and a floor-length hem. The formal dress is crafted from a smooth and stretchy knit fabric with a subtle sheen. Complete the look with an elegant necklace and earrings for some sparkle!
Fit & Features
- Sleeveless surplice V-neckline, V-cut back
- Padded bust, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Side ruched seams, mermaid silhouette, floor-length hem
- Smooth, stretchy knit fabric
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7679
Category Name: Long Wedding Guest Dresses
Price: $24.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Janine Formal Velvet Open Back Mock Neck Dress
Special Occasion
Luxe velvet feels so romantic on the Janine formal dress but her sexy details take it up a notch! She features a sleeveless mock neckline with a trio of button-back closures, a sultry open back, a slim silhouette, and a flattering side pleated seam that creates the wrap-style high front slit that gracefully leads to the floor-length hem. The formal dress is crafted from a soft knit velvet fabric for a luxe look and has a sewn-in knit lining. Complete the look with fringe earrings and a bracelet.
Fit & Features
- Sleeveless mock neckline, button-back closures
- Open back, lower zipper and hook-eye closure
- Side pleated seam, slim silhouette
- Wrap-style high front slit, floor-length hem
- Velvet fabric, sewn-in knit lining, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7348
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Daphne Formal Crepe Mermaid Dress
Special Occasion
Bring the Va Va Voom to banquets and fancy cocktail receptions in the Daphne formal crepe dress! She features a sleeveless sweetheart neckline, sleek bungee spaghetti straps, a padded bust, flexible boning inserts for a structured fit, a mermaid silhouette, and a high-cut front slit to show some skin along the floor-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Complete the look with a clutch and jewelry!
Fit & Features
- Sleeveless sweetheart neckline
- Bungee spaghetti straps
- Padded bust, flexible boning inserts
- Back zipper and hook-eye closure
- Mermaid silhouette, high-cut front slit, floor-length hem
- Lined crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-6964
Category Name: Long Wedding Guest Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Asta Glitter Lace Up Back A-Line Dress
Special Occasion
With a stunning glitter woven composition, our Asta will twinkle underneath the bright lights from room-to-room. Her lace-up back and wide waistband are subtle, but statement details that help highlight her overall appearance.
Fits & Features
- Adjustable Spaghetti Straps
- Plunging V Neckline I Padded Bust
- Back Zip With Hook & Eye I Lace Up Back
- Floor Length Hemline I A Line Silhouette
- Glitter Woven, Fully Lined Fabric
- 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: 05002-0750
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Sweetest Look Floral Off Shoulder High Low Skater Dress
Enchant everyone with the sweetest of looks! Look flowy and fresh in this captivating dress. Complement your attire with cute earrings and a pair of clear strap mules!
Fits & Features
- Off Shoulder Neckline & Sleeves
- Subtle High Low Hem I Skater Silhouette
- Smooth Scuba Fabric I Floral Print
- Form Hugging Fit I Moderate Stretch
- Zipper Not Included
Model is 5'9" with a 34" bust, 24" waist and 34.5" hips. She is wearing a size small
Style Number/Barcode: 05101-0142
Category Name: Long Wedding Guest Dresses
Price: $9.97 $38.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Brittany Glitter Mermaid Formal Dress
Special Occasion
The Brittany glitter mesh mermaid gown contours the body with a sleek silhouette and soft, sculpting ruching. The delicate straps and open back add just enough allure—perfect for when you want to make them stop and stare.
Fit & Features
- Glitter mesh-lined fabric
- V-neckline
- Spaghetti straps
- Open back with ruffled details
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, galas, birthday dinners, cocktail events, formal celebrations, anniversaries
Style Number/Barcode: 05002-001270
Category Name: Long Wedding Guest Dresses
Price: $29.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: BROWN
Available Size: XS
Product Badge:- Sale
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Alena Floral Satin Ruffle Sleeve Column Dress
Special Occasion
Bloom with beauty in the Alena floral satin column dress designed with sleek premium satin with a gorgeous floral print pattern. You'll adore the short ruffled sleeves, open lace-up back, and high-cut front slit for effortless movement.
Fit & Features
- Premium satin fabric with full-length stretchy knit lining
- Floral print
- Square neckline, pleated draped overlay, padded bust
- Short ruffled sleeves
- Open lace-up back, lower zipper with hook-eye closure
- Thigh-high front slit, floor-length column silhouette
- Runs true to size
Where to Wear:
Weddings, bridal showers, graduations, garden parties, and chic brunches.
Style Number/Barcode: 05002-000023
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Olive Satin Lace-Up Corset Formal Dress
Special Occasion
Designed for a night that calls for a little extra drama, the Olive satin gown blends sculpted structure with fluid movement. The sweetheart pleated neckline and sheer mesh corset bodice with boning shape the silhouette, while the lace-up back and high front slit add just the right amount of allure.
Fit & Features
- Stretch satin fabric, knit lining
- Sweetheart pleated neckline, padded bra cups
- Adjustable spaghetti straps
- Corset bodice, flexible boning, sheer mesh
- Lace-up back, zipper and hook-eye closure
- High front slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, destination events, red carpet occasions, anniversary parties, fashion-forward soirees, big birthday events
Style Number/Barcode: 05002-001338
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sam Strappy Open Back Glitter Mermaid Dress
Special Occasion
Sparkle under the light in the Sam glitter formal dress destined to be prettiest at any party or event! Crafted with airy sheer glitter mesh fabric with a full-length knit lining, the floor-length dress features a stunning strappy open back to turn heads and a form-hugging mermaid silhouette to highlight your curves.
Fit & Features
- Sheer glitter mesh fabric, full-length knit lining, plenty of stretch
- V-neckline with padded bust
- Adjustable spaghetti straps, open cross-back design
- Princess seams
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8561
Category Name: Long Wedding Guest Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Candace Formal Crepe One-Shoulder Ruffle Dress
Special Occasion
Designed for maximum impact, the Candance formal crepe long dress is the perfect style for bridesmaids or wedding guests! She features a one-shoulder neckline, dual spaghetti straps, an asymmetrical back strap, a curve-hugging slim silhouette, and a front ruffled trim slit and long hem. The formal maxi dress is composed of a slinky crepe knit fabric that offers a chic allure! Complete the look with a bracelet and heels.
Fit & Features
- Sleeveless one-shoulder neckline
- Dual spaghetti straps, asymmetrical back strap
- Slim silhouette, high front ruffled trim slit
- Long hem
- Slinky crepe knit fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7716
Category Name: Long Wedding Guest Dresses
Price: $9.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jordan Formal Strappy Back Ruched Mermaid Dress
Special Occasion
Flaunt your figure and show off your stunning silhouette in the Jordan formal ruched mermaid dress. She features a sleeveless V-neckline, spaghetti straps that lead to a sultry open back with a cross-back strappy design, front and back ruched detailing, a wrap-front accent at the waist, a hip-hugging fit, and a floor-sweeping hem with a mermaid silhouette. The smooth knit fabric offers plenty of stretch. Style with rhinestone jewelry to add some sparkle to your gorgeous look.
Fit & Features
- Sleeveless V-neckline
- Spaghetti straps, open back, cross-back strappy design, tie closure
- Front and back ruched detailing, wrap-front accent at the waist
- Hip-hugging fit, floor-sweeping hem, mermaid silhouette
- Smooth knit fabric, lined bust, plenty of stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7683
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marlowe Formal Feather Strap Long Dress
Special Occasion
Prepare to wow in the glam Marlowe formal dress showcasing subtle '90s couture fashion everyone will adore at banquets or dressy dinner parties! She features a sleeveless cowl neckline, feather shoulder straps, a slim curve-hugging silhouette, and a sexy high-side slit leading to her long hem. The formal dress is composed of a slinky knit fabric with plenty of stretch. Complete the look with teardrop earrings and a clutch.
Fit & Features
- Sleeveless cowl neckline
- Feathered shoulder straps
- Slim, curve-hugging silhouette
- High side slit, long hem
- Slinky knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7473
Category Name: Long Wedding Guest Dresses
Price: $29.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kelly Formal Velvet Affair Dress
Special Occasion
Make it a velvet affair in our luxe Kelly dress! She features a plunging wired V-neckline, long sleeves and a slim fit bodice that leads to a curve hugging floor length silhouette. Dress is composed of a lined velvet fabric that offers a moderate stretch for a comfortable wear. Includes a back zipper closure with hook and eye closure.
Model is 5'11" with a 38" bust, 37" waist and 48.5" hips. She is wearing a size 1X.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 15002-0140
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- 50% Off