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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Henley Formal One Shoulder Glitter Dress
Special Occasion
Make a glitzy impression in a formal dress that illuminates your evening! Henley features a one-shoulder neckline with a bow accent strap for added detail and a mermaid curve-defining silhouette. The dress is composed of a glitter knit fabric that offers a moderate stretch. Complete look with a rhinestone anklet and earrings.
Fit & Features
- One-shoulder neckline, adhesive bra recommended
- Shoulder strap with bow accent
- Mermaid silhouette
- Glitter knit fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1510
Category Name: Long Wedding Guest Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Molly Lace-Up Mermaid Glitter Formal Dress
Special Occasion
Prepare to amaze in the Molly glitter formal dress designed to sparkle at any dressy event! The formal dress features a striking lace-up back design and a curve-hugging mermaid silhouette that effortlessly flares out into a floor-length hem. Pair with earrings and a clutch.
Fit & Features
- Glitter mesh fabric, stretchy knit lining
- Cowl neckline
- Spagehtti straps
- Lace-up back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8903
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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Lisa Satin High Slit A-Line Formal Dress
Special Occasion
Channel a sophisticated vibe in the gorgeous and chic Lisa satin formal dress. She features a subtle sweetheart neckline, short cap sleeve accents, a fitted bodice with dual high waist seams, a square back design, a floor-sweeping hem with a pleated wrap-front creating a thigh-high slit, hidden side pockets, and a flowy A-line silhouette. The sleek satin-lined fabric will give off a luxe sheen. Complete the look with gemstone earrings for your next gala.
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
- Sweetheart neckline, short cap sleeve accents
- Fitted bodice, dual high waist seams
- Square back design, zipper and hook-eye closure
- Floor-length hem, pleated wrap-front, high slit
- Hidden side pockets, A-line silhouette
- Lined silky satin fabric, moderate stretch
- Bra-friendly design
- Runs true to size
Style Number/Barcode: 05002-7060
Category Name: Long Wedding Guest Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Alaia Glitter Mesh Mermaid Dress
Special Occasion
Get in a glitzy and glamorous mood in the Alaia glitter mesh mermaid dress. She features a sleeveless one-shoulder neckline with a chic bow accent, a fitted high waist seam, and a floor-length, curve-hugging, mermaid silhouette. The sheer glitter mesh fabric includes a full knit lining. Complete the look with rhinestone statement earrings.
Fit & Features
- Sleeveless one-shoulder neckline, bow accent
- Strapless or adhesive bra recommended
- High waist seam
- Floor-length, form-fitting, mermaid silhouette
- Sheer glitter mesh fabric, full knit lining
- Moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2253
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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Jessica Strapless Mermaid Formal Dress
Special Occasion
Elegance in motion—the Jessica strapless mermaid gown hugs every curve with sleek sophistication, featuring a ruched sweetheart bodice and an open back cutout that feels equal parts timeless and daring.
Fit & Features
- Smooth knit lined fabric, moderate stretch
- Strapless sweetheart neckline, twist bust
- Cutout back design, clasp closure strap
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie galas, formal celebrations, engagement parties, rehearsal dinners, nights at the opera
Style Number/Barcode: 05002-000286
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE
Available Size: L
Product Badge:- Ships Free
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Milena Faux Pearl Mesh High Slit Mermaid Dress
Special Occasion
Luxe with a chic flair, the Milena formal dress is crafted with lined mesh fabric accented with all-over faux pearl embroidery. It features a sleeveless sweetheart neckline with a dainty ruffled trim, adjustable spaghetti straps for a customized fit, ruching to accentuate your gorgeous curves, and a floor-length mermaid silhouette with a high-cut side slit.
Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.
Fit & Features
- Sheer mesh fabric with knit lining
- Faux pearl embroidery
- Sweetheart neckline with ruffled trim, bust seam outline, padded bust
- Adjustable spaghetti straps, back zipper closure
- Ruched side and back seams
- Floor-length mermaid silhouette, high side slit
- Runs true to size
Style Number/Barcode: 05002-8828
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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Julianna Chiffon Halter A-Line Formal Dress
Special Occasion
An effortlessly graceful silhouette, the Julianna chiffon A-line formal dress flows with every step. The halter neckline and open back detail strike a balance between soft romance and modern allure, making it a standout for any special occasion.
Fit & Features
- Sheer chiffon fabric with full-length lining
- Sleeveless V-neckline
- Halter tie-back straps
- Partially open back, lower back zipper with hook-eye closure
- Pleated detailing
- Floor-length A-line silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black-tie parties, dressed-up dinners, elevated date nights, and formal parties.
Style Number/Barcode: 05002-001322
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: NAVY
Available Size: XS
Product Badge:- Ships Free
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Elaine Formal Velvet A-Line Dress
Special Occasion
Luxurious velvet becomes more enchanting on the Elaine formal dress perfect for bridesmaids or red carpet events! She makes jaw drops in her sleeveless cowl neckline, spaghetti straps, empire waist seam, and a flattering a-line silhouette showcasing a sexy high-cut slit along the floor-length hem. The formal dress is composed of a luxe velvet knit fabric with lining and moderate stretch. Complete the look by accessorizing with a glam hair accessory to create a flawless updo!
Fit & Features
- Sleeveless cowl neckline, spaghetti straps
- Empire waist seam
- A-line silhouette
- High-cut front slit, floor-length hem
- Lined velvet knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6913
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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Brittney Lace-Up Slit Bodycon Glitter Formal Dress
Special Occasion
Dazzle the room with a look as captivating as the Brittney glitter formal dress with a sensational lace-up cutout back and high front slit along the sultry bodycon fit.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Square neckline, padded bra cups
- Wide shoulder straps
- Lace-up cutout back
- High front slit
- Bodycon fit, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, and red-carpet events.
Style Number/Barcode: 05002-9468
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Katalia Glitter Mermaid Dress
Special Occasion
Made for that sweeping, cinematic entrance, the Katalia gown shimmers in glitter with a softly draped cowl neck and sculpted mermaid silhouette. A high front slit adds fluid movement and a touch of allure, turning every step into a moment worth remembering.
Fit & Features
- Glitter knit fabric with subtle sparkle
- Cowl neckline with adjustable spaghetti straps, padded bra cups
- Wrap front skirt with high slit
- Curve-skimming mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, fancy holiday parties, anniversary dinners, date nights, formal celebrations, engagement parties, rehearsal dinners, red-carpet occasions
Style Number/Barcode: 05002-000848
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: RED, DENIM
Available Size: XS, S
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Jayden Satin Mermaid Formal Dress
Special Occasion
Make heads turn in our stunningly chic Jayden dress! She features an off the shoulder slight sweetheart neckline with padded cups, short sleeves, a back zipper closure and hook and eye closure, a high waist seam, and a fitted, curve hugging skirt with a floor length mermaid silhouette. Dress is composed of a stretchy satin fabric with a gorgeous sheen.
Model is 5'8" with a 32" bust, 23" waist and 36" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0175
Category Name: Long Wedding Guest Dresses
Price: $14.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Trista Cold Shoulder Slit Satin Formal Dress
Special Occasion
Stunning from every angle, the Trista satin formal dress makes a statement in a chic cold shoulder and high front wrap slit giving endless allure!
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
- Premium satin fabric lined with stretchy knit
- Cold shoulder neckline, short-sleeve cuffs, adjustable spaghetti straps
- Padded bra cups
- Back zipper closure
- Form-hugging bodice
- High front wrap slit, flared floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie parties, galas, formal engagement parties, cocktail soirees
Style Number/Barcode: 05002-9486
Category Name: Long Wedding Guest Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Esther One-Shoulder Mermaid Mesh Formal Dress
Special Occasion
A one-shoulder formal dress features sheer fitted long sleeves and a ruched mermaid silhouette that accentuates your curves. Perfect for homecoming or a banquet.
Fit & Features
- Mesh fabric lined with stretchy knit
- One-shoulder neckline
- Sheer fitted long sleeves
- Ruched mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8658
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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Layne Velvet Mermaid Formal Dress
Special Occasion
Crafted for the moments that beg for something timeless and quietly stunning, this velvet gown glides with refined ease. The sweetheart neckline draws the eye with soft, sculpted romance, while the pleated mermaid floor-length hem creates a beautifully fluid, statuesque finish.
Fit & Features
- Stretch velvet-lined fabric with a soft sheen
- Sweetheart neckline with lightly padded cups
- Adjustable spaghetti straps
- Pleated waist detailing for a contoured effect
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal galas, holiday parties, weddings, black tie soirees, rehearsal dinners, engagement parties, formal occasions, fancy cocktail parties, charity events
Style Number/Barcode: 05002-000692
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Darlene Cutout Back Bodycon Sequin Formal Dress
Special Occasion
Indulge in the opulence of the Darlene sequin formal dress at school dances, weddings, or banquets. The floor-length dress is designed with a cutout back and a bodycon silhouette that exudes sophistication. Complete the look with earrings and a clutch.
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 pattern, mesh fabric lined with stretchy knit
- Square neckline, cowl draping, padded bra cups
- Wide shoulder straps
- Cutout back with hook closure, lower zipper and hook-eye closure
- Bodycon silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9268
Category Name: Long Wedding Guest Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Carla Sequin Lace-Up Formal Dress
Special Occasion
Romantic with a refined edge, the Carla sequin mermaid gown is made for evenings that feel effortlessly elevated. A lace-up strappy back and sleek front slit create a striking balance of softness and confidence, perfect for polished standout moments.
Fit & Features
- Mesh fabric with full-length knit lining, high stretch
- Sequin embellished floral pattern
- Sleeveless V-neckline, padded bust
- Dual spaghetti straps
- Lace-up strappy back design with tie closure, lower back zipper with hook-eye closure
- High front slit, mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, galas, formal celebrations, milestone birthday events, fashion-forward events, and red-carpet occasions.
Style Number/Barcode: 05002-001181
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: Out of Stock
Product Badge:- Ships Free
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Serenity Ruched Satin Formal Dress
Special Occasion
Oh-so-chic and stunning, captive them all in the Serenity satin formal dress. She features a sleeveless cowl neckline, spaghetti straps, an open back with a cross-back lace-up strappy design, a high waist seam, front ruched detailing leading to a high front slit, and a flowy, floor-length, A-line silhouette. The smooth satin fabric offers a moderate stretch. Complete the look in this sleek long dress with rhinestone duster earrings.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps
- Open back, cross-back lace-up strap design, tie closure
- High waist seam, front ruching, adjustable drawstring
- Lower back zipper, hook and eye closure
- High front slit, floor-length A-line silhouette
- Satin fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-2501
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mandy Strappy Tie-Back Mermaid Formal Dress
Special Occasion
Equal parts romantic and refined, the Mandy gown is made for moments that call for a polished yet unforgettable entrance. A scoop neckline, ruched detailing, and a high front slit sculpt the mermaid silhouette, while the strappy open tie back adds an alluring finish.
Fit & Features
- Flocked velvet mesh-lined fabric with soft stretch
- Scoop neckline with padded bra cups
- Spaghetti straps
- Strappy tie open back, zipper and hook-eye closure
- Mermaid floor-length silhouette with high front slit
- Runs true to size
Where to Wear:
Weddings, candlelit ballroom galas, romantic receptions, formal school dances, city venue events, formal anniversary dinners, milestone birthday nights, elegant evening occasions
Style Number/Barcode: 05002-000549
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS
Product Badge:- Ships Free
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Carrie Satin Sequin Lace-Up Formal Dress
Special Occasion
Effortlessly refined with a hint of after-dark allure, the Carrie satin dress is made for entrances that linger. The sequin mesh bust and mini lace-up open back balance sleek lines with soft shimmer, creating a look that feels polished, confident, and unforgettable.
Fit & Features
- Premium satin fabric, bust lining
- Sequin mesh scoop neck bust
- Adjustable spaghetti straps
- Mini lace-up open back detail
- Curve-hugging, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, rehearsal dinners, engagement parties, garden parties, upscale cocktail soirees, galas, award dinners, special date nights, formal milestone celebrations
Style Number/Barcode: 05002-000679
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: SAGE
Available Size: S, M, L
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Cindy Formal Satin V-Neck Long Dress
Special Occasion
Designed in luxe shiny satin, the Cindy formal dress is an absolute stunner for your next dressy event! She features a sultry, sleeveless V-neck halter atop a banded empire waistline that leads to her long-length hem with a front slit. Her open-back showcases plenty of skin with sleek bungee spaghetti straps that create a head-turning moment. The formal dress is composed of a satin-lined fabric with a minimal stretch and zipper closure. Complete the look in statement heels and jewelry.
Fit & Features
- Sleeveless, V-neck halter, sleek bungee spaghetti straps
- Built-in padded bust, no bra required
- Banded empire waist
- Open-back, ruched bum seam, zipper closure
- Front slit, long-length hem
- Luxe satin-lined fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2369
Category Name: Long Wedding Guest Dresses
Price: $9.97 $94.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Jerry Cross Back Draped Gown
Special Occasion
Sultry and sophisticated, our slinky Jerry gown ups the ante on evening elegance. She features spaghetti straps leading to an X back, a deep V wrap bodice with drape detail, a back zip, and a long, slim-line skirt. Jerry is made from a nylon blend with ample stretch for making moves!
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: 05002-0329
Category Name: Long Wedding Guest Dresses
Price: $36.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Darcy Formal Ruffled High-Low Mermaid Dress
Special Occasion
The Darcy formal high-low dress is ready to salsa at weddings and formal parties! She features a square neckline, adjustable spaghetti straps, a form-hugging mermaid silhouette, and a bonded ruffled high-low hem that creates a dramatic finish! The formal dress is crafted from smooth knit fabric with a bust knit lining and moderate stretch. Complete the look with earrings and block heels.
Fit & Features
- Sleeveless square neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette, high-low bonded ruffled hem
- Smooth knit fabric, bust knit lining, moderate stretch
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7729
Category Name: Long Wedding Guest Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Selene Mesh Strapless Slit Mermaid Formal Dress
Special Occasion
Made for unforgettable evenings, the Selene strapless gown skims the figure with refined ease. The ruched detailing and high slit add just the right amount of drama to a timeless silhouette.
Fit & Features
- Mesh-lined fabric
- Strapless neckline, flexible boning inserts
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Homecoming, weddings, black tie galas, formal birthdays, milestone celebrations, red-carpet occasions, engagement parties, rehearsal dinners, opera
Style Number/Barcode: 05002-000317
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK, HUNTER
Available Size: XS, S
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Cassie Formal Satin Lace-Up Mermaid Dress
Special Occasion
Capture all the glances as you stride into the room in the oh-so-gorgeous Cassie formal satin mermaid dress. She features a sleeveless square neckline with a built-in padded bust, thin tank shoulder straps, an open back with cross-back straps that lead to a chic lace-up design for a snatched look, a hip-hugging fit, and a floor-sweeping hem with a stunning train and a mermaid silhouette. The silky-smooth satin-knit fabric will give off a chic sheen. Style with rhinestone statement earrings for your next black-tie gala.
Fit & Features
- Sleeveless square neckline, padded bust, thin tank shoulder straps
- Open back, cross-back straps, lace-up design, tie closure, lower back zipper, hook and eye closure
- High waist seam, hip-hugging fit
- Floor-sweeping hem with a train, mermaid silhouette
- Satin-knit fabric, knit lining at the bust, moderate stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-6956
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free