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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Leilani Formal One-Shoulder Open Back Dress
Special Occasion
Make a captivating entrance in the breathtaking Leilani formal dress. She features a daring one-shoulder neckline, a tank-like shoulder strap that leads to an asymmetrical back, a sexy open back design, and a mermaid silhouette. The dress is composed of a lined smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete look with chandelier earrings and heels.
Fit & Features
- One-shoulder neckline
- Tank-like shoulder strap
- Asymmetrical strap at the back
- Open back design
- Mermaid silhouette
- Ruched detailing on the back
- Smooth knit fabric, form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1180
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Adriane Beaded Floral Lace-Up Formal Dress
Special Occasion
A gown made to captivate, the Adriane floor-length dress boasts delicate straps, a plunging neckline, and sculpted beaded floral embroidery that draws the eye. Finished with a lace-up open back, it’s the perfect balance of allure and elegance.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Plunge V-neckline, spaghetti straps, padded bra cups
- Beaded floral embroidery
- Lace-up open back detail
- Curve-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie galas, formal celebrations, red-carpet events, fancy cocktail parties, dressed-up anniversaries, nights at the theatre, birthday events
Style Number/Barcode: 05002-000437
Category Name: Long Wedding Guest Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK
Available Size: L, XL
Product Badge:- Best Seller
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Becky V-Neck Tie-Back Slit Mermaid Dress
Special Occasion
Impress every guest in the sophisticated Becky mermaid formal dress! Designed to wow, this formal dress boasts a tie-back design and high front slit for effortless movement and allure.
Fit & Features
- Smooth knit fabric with knit bust lining, high stretch
- Sleeveless V-neckline, padded bust
- Tie-back spaghetti halter straps
- Tie-back design, lower ruching
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie galas, weddings, and fancy events.
Style Number/Barcode: 05002-9551
Category Name: Long Wedding Guest Dresses
Price: $74.90
Availability: In Stock
Available Color: NAVY, HUNTER
Available Size: XS, S, M, L
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Coralie Off Shoulder Front Slit Dress
Special Occasion
Look and feel elegant for your next fancy night out in our gorgeous Coralie formal dress. Her classy fold-over, off-the-shoulder neckline will pair beautifully with a sparkling necklace. Her front slit lets you show off those glittering heels you've been wanting to wear! The formal long dress is composed of a crepe fabric that offers a moderate stretch and includes a knit mini-length lining. Complete your look with classic block heels.
Fit & Features
- Off-the-shoulder neckline with a fold-over design
- Back zipper and hook and eye closure
- Ruching at center back
- Floor-length hem with a front slit, form-hugging fit
- Crepe fabric, knit mini-length lining, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7131
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mona Formal Plunging Glitter Dress
Special Occasion
Take the plunge into glamour as you stun in our breathtaking Mona dress! She features a sleeveless bodice, a plunging V neckline with pleated dealing, and sheer adjustable spaghetti straps that cross at the back. Her slim fit waist leads to a sweeping A-line silhouette. She stands out with her glitter accents and caviar beaded detailing set in a romantic pattern. The dress is composed of a lined tulle fabric that offers a relaxed fit with minimal stretch. The knit lining includes two high slits to reveal a hint of skin under the semi-sheer tulle fabric. Complete your gorgeous look with rhinestone duster earrings and a new pair of heels.
Fit & Features
- Plunging V neckline with pleated detailing
- Sheer adjustable spaghetti straps
- Cross back design
- Back zipper and hook and eye closure
- High waist leading to a floor-length skirt
- A-line silhouette
- Semi-sheer tulle fabric with glitter and beaded details
- Knit lining with dual front slits
- Runs true to size
Style Number/Barcode: 05002-0326
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Morgana Lace-Up Ruched Mermaid Dress
Special Occasion
The long formal dress features a sleeveless sweetheart neckline with floral lace trim, lace flutter shoulder straps, a lace-up back design, ruching throughout to enhance curves, and a mermaid silhouette that flares at the hem.
Fit & Features
- Lined smooth knit fabrication
- Sleeveless sweetheart neckline with lace trim, padded bra cups
- Lace flutter shoulder straps
- Lace-up back design
- Ruching
- Mermaid silhouette
- Long length hem
- Runs true to size
Style Number/Barcode: 05002-9179
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BURGUNDY
Available Size: XS, S, M, L
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Meadow Formal Open Back Ruffled Dress
Special Occasion
Make a head-turning impression with a formal dress that wows from the moment you enter the room! Meadow features a sleeveless square neckline, spaghetti straps, a daring open back, a fab bow at the lower back that leads to a ruffled trim, and a mermaid silhouette. The dress is composed of a smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels and a rhinestone clutch.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Adhesive bra recommended
- Open back
- Bow and ruffles at the lower back
- Mermaid silhouette
- Smooth knit fabric, form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1636
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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Juliane Strappy Back Mermaid Formal Dress
Special Occasion
The Juliane formal dress drapes your figure in a mermaid silhouette while the strappy open back turns heads!
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Halter V-neckline, padded bra cups
- Wide shoulder straps
- Dual tie-back closures, open back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal dances, weddings, bridesmaids, gala dinners, engagement parties, rehearsal dinners, fancy date nights, black tie events
Style Number/Barcode: 05002-000301
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW, WINE
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Londyn Formal High Slit Convertible Dress
Special Occasion
Showcase your unique style with a convertible formal dress that allows you to show off multiple styles! Londyn features a large slit at the bodice that allows you to create a one-shoulder neckline, boat neckline, halter neck, or an off-the-shoulder neckline. The slim-fit bodice leads to a curve-hugging A-line silhouette with a high side slit. The dress is composed of a smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete the look with heels and a clutch.
Fit & Features
- Large slit at the bodice
- Multiple ways to wear neckline
- A-line silhouette
- High side slit
- Smooth knit fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1301
Category Name: Long Wedding Guest Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Delilah Formal Sequin High Slit Dress
Special Occasion
Make a dazzling impression with a sequin dress that shimmers from all your best angles. The dress features sparkling sequins throughout, a sleeveless cowl neckline, bungee spaghetti straps, and a high side slit to show off a hint of leg. She offers a form-hugging fit with a slight stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless cowl neckline
- Bungee spaghetti straps
- High side slit
- Sequins
- High waist
- Form hugging fit, slight stretch
- Runs true to size
Style Number/Barcode: 05002-1279
Category Name: Long Wedding Guest Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ayla Lace-Up Slit Mermaid Glitter Formal Dress
Special Occasion
Arrive in the sensational Ayla glitter formal dress to dazzle every partygoer! With a striking lace-up back and high side slit for effortless movement, this dress owns the spotlight.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Halter V-neck, padded bra cups
- Lace-up back, lower zipper and hook-eye closure
- High side slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fall out
Where to Wear:
Prom, black-tie parties, weddings, and red-carpet events.
Style Number/Barcode: 05002-9055
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: CHAMBRAY, BLACK
Available Size: L, XS, S, M
Product Badge:- Ships Free
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Gabrielle Formal Sequin Long Dress
Special Occasion
You'll shine in head-to-toe sequins on the Gabrielle formal dress boasting a lace-up back that stuns and a mermaid silhouette with a sultry high slit perfect for showing off your heels!
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-embroidery, mesh fabric, stretchy knit lining
- Cowl neckline, adjustable spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Form-hugging, mermaid silhouette
- Front slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, glamorous parties, and special occasions.
Style Number/Barcode: 05002-2975
Category Name: Long Wedding Guest Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Tabitha Formal High Slit Crepe Dress
Special Occasion
Make your night one to remember in a formal long dress that stands out at your special event. Tabitha features a sleeveless square neckline, supportive padded cups, and spaghetti straps that lead to a lace-up back. Her slim-fit waist leads to a flattering A-line silhouette that is accented with a high side slit. She is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look in this long dress with rhinestone heels and a sphere clutch.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Built-in padded bust, no bra required
- Lace-up back, tie closure
- Back zipper closure
- High waist seam, A-line silhouette, high side slit
- Crepe-lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2036
Category Name: Long Wedding Guest Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cindy Beaded Strapless Column Formal Dress
Special Occasion
Waltz into the party in the Cindy beaded formal dress for a stunning look! The formal floor-length dress is designed with a strapless cowl neckline that shapes the fitted column silhouette showcasing a high front slit.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Beaded embellished mesh fabric, stretchy knit lining
- Strapless cowl neckline, padded bra cups
- Back zipper with hook-eye closure
- Column silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, and formal parties.
Style Number/Barcode: 05002-9077
Category Name: Long Wedding Guest Dresses
Price: $19.97 $159.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Juliet Formal High Slit Dress 2
Special Occasion
Radiate effortless elegance in our sophisticated satin Juliet gown! She features adjustable spaghetti straps, a V-neck seamed bodice with light padding at bust, a high-seam waist, and a long, gently pleated A-line skirt with pockets at either hip and a dramatic center front slit. Juliet is fully lined and made from a smooth, shiny satin-like woven fabric with a touch of stretch. Pair this beautiful dress with a shimmering rhinestone necklace for a glamorous look.
Shop Juliet In More Colors: Juliet Formal High Slit Dress
Fit & Features
- Lined satin-like woven fabric, slight stretch
- V-neckline with padded cups
- Adjustable spaghetti straps
- Fitted high waist, hidden side pockets
- Elongated floor-length silhouette with high side slit
- A-line fit
- Runs true to size
Style Number/Barcode: 05002-0896
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Marleigh Formal Sequin Scroll Dress
Special Occasion
Light up the night with a formal sequin dress that elevates your special evening look. Marleigh features a dazzling damask sequin pattern, a sleeveless V-neckline, supportive padded cups, and spaghetti straps that lead to a cross-back strap design. Her back features a partially open design with tie-back straps. Her slim-fit bodice leads to a flared trumpet hem that brings the drama. Complete the look in this formal long dress with a sphere clutch and rhinestone heels.
Fit & Features
- Sleeveless V-neckline
- Padded cups
- Spaghetti straps, cross-back design, tie closure
- Lower back zipper, hook and eye closure
- High waist, trumpet silhouette
- Lined mesh fabric, damask sequin pattern
- Form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2085
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Blair Lace-Up A-Line Rhinestone Formal Dress
Special Occasion
Draw everyone's eyes in your direction in the stunning and glamorous Blair rhinestone formal dress with a stunning lace-up back and figure-skimming A-line silhouette!
Fit & Features
- Sheer mesh fabric, full knit lining, moderate stretch
- Sleeveless V-neckline, spaghetti straps
- Open back, lace-up strappy design, tie closure
- Floor-length hem, A-line silhouette
- All-over rhinestone embellishments, taper off toward the hem
- Runs true to size
Where to Wear:
Prom, red-carpet events, big birthday parties, glam functions, fancy cocktail soirees
Style Number/Barcode: 05002-2910
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Olga Corset Lace Satin Wrap Mermaid Formal Dress
Special Occasion
Bring the sultry heat to the night in the Olga satin mermaid formal dress for a gorgeous evening out look! From the lace corset bodice to the high front slit, you'll receive all the compliments.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Satin lined fabric
- Sweetheart neckline, adjustable spaghetti straps
- Sheer lace corset bodice, padded bra cups, flexible boning
- Back zipper closure
- High front slit with sequin lace insert
- Wrap mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings and events, fancy date nights
Style Number/Barcode: 05002-9305
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: HUNTER
Available Size: S
Product Badge:- Ships Free
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Kerri Formal Velvet Mermaid Dress
Special Occasion
When the occasion calls for velvet, the Kerri formal velvet mermaid dress delivers with romantic classic Hollywood glamour for your next dressy night out! She features an off-the-shoulder neckline with a sultry front V-wire insert, a high-waist seam, and a form-hugging mermaid silhouette with a high-cut front slit and long hemline. The formal dress is crafted from a lined velvet fabric with luxurious softness and moderate stretch. Complete the look with a rhinestone hair clip and clutch.
Fit & Features
- Off-the-shoulder neckline, V-wire insert
- Lightly padded bust, bra optional
- Back zipper closure, high-waist seam
- Mermaid silhouette, high-cut slit
- Long-length hem
- Lined velvet fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2606
Category Name: Long Wedding Guest Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Scarlet Strappy Back Mermaid Formal Dress
Special Occasion
Timeless elegance with a modern edge. The Scarlet formal dress is designed in a sculpting mermaid silhouette, twist-front detail, and delicate straps that make a grand entrance.
Fit & Features
- Smooth knit fabric, subtle sheen, stretchy knit lining
- Twist V-neckline, padded bra cups
- Adjustable spaghetti straps
- Strappy back detail
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Black-tie weddings, formal galas, engagement parties, rehearsal dinners, glam events
Style Number/Barcode: 05002-001008
Category Name: Long Wedding Guest Dresses
Price: $74.90
Availability: In Stock
Available Color: NAVY, YELLOW
Available Size: XS, S, M, L, XL
Product Badge:- Back In Stock
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Gianna Strapless High-Slit Satin Dress
Special Occasion
Create an effortlessly captivating look in the Gianna sleek satin formal dress. She features a strapless subtle sweetheart neckline, a wrap-front design at the bodice, a flattering high waist, and a floor-length fitted silhouette with a sultry thigh-high front slit. Complete your outfit with a radiant rhinestone necklace and strappy heels for an unforgettable look.
Fit & Features
- Strapless sweetheart neckline
- Strapless or adhesive bra recommended
- Wrap-front design at the bodice, pleated detailing
- Boning detailing to provide structure
- Back zipper, hook and eye closure
- High waist seam, floor-length fitted silhouette, high front slit
- Satin fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1638
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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Evie Formal Ruched Satin Sleeveless Dress
Special Occasion
Make an elegant impression with a formal long dress that captivates from the moment you enter the room! Evie features a sleeveless square neckline, adjustable spaghetti straps, ruching at the waist, and an A-line silhouette accented with a high-side slit. The dress is composed of a satin-like fabric that offers a form-hugging fit with a moderate stretch. Complete the look with rhinestone heels and a matching clutch.
Fit & Features
- Sleeveless square neckline, adjustable spaghetti straps
- Ruching at the waist, back zipper closure
- A-line silhouette, high side slit
- Form-hugging fit
- Satin-knit fabric, knit lining at the bust, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2026
Category Name: Long Wedding Guest Dresses
Price: $14.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Nola Darling Satin Evening Gown
Special Occasion
Look oh-so-darling in our sleek satin Nola gown! She features a sleeveless bodice, a V-neckline, and spaghetti straps that lead to a strappy back design for a chic and stunning look. Her high waist seam elongates your silhouette and flares into a mermaid-style hem with a gorgeous train that sweeps the floor behind you. The dress is composed of a satin fabric and offers a moderate stretch. Complete your head-turning outfit with statement earrings and new heels.
Fit & Features
- Sleeveless V-neckline, spaghetti straps
- Open back, strappy design
- Lower back zipper closure
- Mermaid silhouette, long flowy train
- Satin fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1375
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Diane Lace-Up Slit Mermaid Glitter Formal Dress
Special Occasion
Shimmer like a beauty in the Diane glitter formal dress designed to impress with a lace-up back and high front slit for effortless movement.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Cowl square neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Front ruched seam and high slit
- Mermaid silhouette, floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, fancy birthdays, and red-carpet events.
Style Number/Barcode: 05002-9534
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: RED, PINK
Available Size: L, XL, XS, S, M
Product Badge:- Ships Free