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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Everly Strapless Slit Mermaid Glitter Formal Dress
Special Occasion
Take the spotlight in the Everly glitter formal dress boasting a high front slit for a sultry show of leg and a flattering mermaid silhouette that put your curves on display!
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
- Glitter fabric lined with stretchy knit
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- High front 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 celebrations, and red-carpet soirees.
Style Number/Barcode: 05002-9422
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Gigi Satin Sequin Lace Formal Dress
Special Occasion
Refined with a touch of romance, the Gigi satin mermaid gown is designed to feel polished from first glance to final step. Sequin lace trims the softly draped neckline and corset bodice, while a lace-up back adds a graceful finish that feels timeless yet unforgettable.
Fit & Features
- Stretch satin fabric with knit lining
- Sequin lace trim sweetheart pleated neckline, padded bra cups
- Adjustable spaghetti straps
- Sequin lace corset bodice, lace-up back, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem with subtle train
- Runs true to size
Where to Wear:
Prom, formal celebrations, milestone parties, cocktail soirees, galas, theatre shows, award dinners, fancy date nights
Style Number/Barcode: 05002-000957
Category Name: Long Wedding Guest Dresses
Price: $119.90
Availability: Out of Stock
Product Badge:- Ships Free
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Steffanie Tie-Back Slit A-Line Satin Formal Dress
Special Occasion
Dressed to impress. The Steffanie A-line satin formal dress will leave any room speechless! The formal dress showcases a chic tie-back design and a high front slit for effortless movement.
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
- Stretch satin fabric, bust knit lining
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Tie-back design
- High front slit
- A-line silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie galas, formal events and parties
Style Number/Barcode: 05002-9324
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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Justine Formal Crepe Sweetheart Long Dress
Special Occasion
Chic, sultry, and showstopping, the Justine formal crepe dress is a stunning style for dinner banquets, ceremonies, and anniversary parties! She features a sleeveless sweetheart neckline with a lovely cowl draping, spaghetti straps, a padded bust, a hip-hugging slim silhouette, and a sexy high front slit along her floor-length hem. The formal dress is composed of a lined crepe fabric with minimal stretch. Complete the look with an embellished box clutch and heels.
Fit & Features
- Sleeveless sweetheart neckline, cowl draping
- Spaghetti straps, padded bust
- Hip-hugging, slim silhouette
- High front slit, floor-length hem
- Lined crepe fabric, minimal stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-7317
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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Teagan Sleeveless Cowl Neck Slim Formal Dress
Special Occasion
This sleeveless formal dress features a sultry cowl neckline, a curve-hugging slim silhouette, and a floor-length hem for a dramatic flair. Perfect for styling with a clutch for the school dance or a gala.
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Cowl neckline
- Shoulder straps
- Slim floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8633
Category Name: Long Wedding Guest Dresses
Price: $54.90
Availability: Out of Stock
Product Badge:- Sale
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Wren Formal Ruched Crepe Dress
Special Occasion
Make a mesmerizing entrance with a formal dress that stuns from the moment you enter the room! Wren features a sleeveless square neckline, spaghetti straps, ruching at the waist, and an A-line silhouette accented with a high side slit. The dress is composed of a lined crepe 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
- Ruching at waist
- A-line silhouette, high side slit
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1748
Category Name: Long Wedding Guest Dresses
Price: $13.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lynnea Lace-Up Slit A-Line Satin Formal Dress
Special Occasion
So striking and effortlessly elegant, the Lynnea satin formal dress is designed with pretty details from the lace-up back to the high side slit.
Fit & Features
- Stretch satin fabric, bust knit lining
- V-neckline, padded bra cups
- Lace-up back, lower zipper and hook-eye closure
- High side slit
- A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, formal weddings, bridesmaids, black-tie parties, galas, and fancy milestone celebrations.
Style Number/Barcode: 05002-9431
Category Name: Long Wedding Guest Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rosalie Rhinestone Strap Mermaid Wrap Dress
Special Occasion
Chic and glamorous, the Rosalie mermaid wrap dress is a perfect option for your next black tie gala! She features a sleeveless V-neckline with a surplice design, thin sparkly rhinestone straps, front pleating at the bust and waist, a floor-sweeping hem with a wrap-front skirt creating a slit, and a form-hugging mermaid silhouette. The crepe fabric offers a moderate stretch. Style with rhinestone heels to complete your fancy look.
Fit & Features
- Sleeveless V-neckline, surplice design, thin rhinestone straps
- Front pleating at the bust and waist, back zipper closure, high waist seam
- Floor-length hem, wrap-front skirt, front slit
- Form-hugging mermaid silhouette
- Crepe fabric, knit lining at the bust, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-3249
Category Name: Long Wedding Guest Dresses
Price: $29.97 $56.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Eloise Satin V-Neck Halter Mermaid Formal Dress
Special Occasion
Sculpted to stun, the Eloise satin mermaid gown moves like liquid elegance with every step. Designed with a plunging halter V-neckline, it’s your secret weapon for that black-tie RSVP.
Fit & Features
- Satin fabric lined with stretch knit
- Halter V-neckline
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal dances, weddings, black tie galas, formal celebrations, engagement parties, rehearsal dinners, fancy date nights, upscale birthday events
Style Number/Barcode: 05002-000050
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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Liz Lace-Up Mermaid Glitter Formal Dress
Special Occasion
All eyes on you in the head-turning Liz glitter formal dress with a striking lace-up back and mermaid silhouette that accentuates your natural curves!
Rich, radiant, and effortlessly glamorous—this dress was made to stand out. Keep the regal energy going with our stunning purple prom dresses or embrace glam and elegance with formal dresses.
Fit & Features
- Glitter fabric lined with stretchy knit
- Sweetheart neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, upscale parties, elegant soirees
Style Number/Barcode: 05002-9497
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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Isla Formal One-Shoulder Satin Dress
Special Occasion
Bring the elegance in the captivating Isla formal satin dress. The dress features a one-shoulder neckline with a fold-over accent and a slim-fit bodice that leads to a mermaid silhouette. The dress is composed of a lined satin stretch fabric that offers a form-hugging fit. Complete your formal outfit with clear mules.
Fit & Features
- One-shoulder neckline
- Fold-over accent
- Slim-fit bodice
- Mermaid silhouette
- Lined satin fabric, moderate stretch
- Form-hugging fit
- Runs true to size
Style Number/Barcode: 05002-1169
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Jodi Tulle A-Line Dress
Special Occasion
Step out in our dreamy Jodi! Her tulle overlay adds an ethereal flow everywhere you go.
Fits & Features
- Spaghetti Straps That Cross At The Back
- Deep V Neckline I Padded Bust
- Back Zip With Hook & Eye Closure
- Sweeping Floor-Length Hemline I A-Line Silhouette I Thigh High Slit
- Fully Lined Knit Fabric With Tulle Overlay
- Form Hugging Fit I Moderate Stretch
Yellow: Model is 5'9" with a 32" bust, 24" waist and 34" hips. She is wearing a size 3.
Lavender: Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size 3.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0604
Category Name: Long Wedding Guest Dresses
Price: $29.97 $42.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kirsten Velvet Wrap Formal Dress
Make major stylish and bold moves in our chic Kirsten velvet formal dress. She features a sleeveless bodice, adjustable spaghetti straps, a wrap front V neckline with ruched detailing, a square back, and a floor sweeping silhouette with a thigh high front slit. The velvet fabric offers a form hugging fit and moderate stretch.
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: 05002-0168
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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Lauren Strapless Wrap Slim Satin Formal Dress
Special Occasion
A stunning satin formal dress features a strapless neckline with padded bra cups for support, a side pleated seam, and a high front wrap slit along a slim silhouette. The silky satin fabric offers a subtle sheen effect and stretch.
Unapologetically bold, this dress is all about confidence. Keep the luxe look going with our stunning strapless prom dresses or discover the perfect fit among our stylish wedding guest dresses.
Fit & Features
- Silky satin fabric, minimal stretch
- Strapless neckline, padded bra cups
- Side pleated seam
- High front wrap slit
- Slim floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8280
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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Francie Formal Satin Slit Drape Dress
Special Occasion
Francie brings the old Hollywood glamour to life! She features a classic, sleeveless, cowl neckline, spaghetti straps, and a form-fitting silhouette with a side ruched seam atop a sultry high-cut slit. Create a dramatic entrance in her side draped accent along the floor-length hem. The formal dress is composed of a stretch-satin fabric with a luxe shine. Complete the look in statement earrings and a clutch.
Fit & Features
- Sleeveless, cowl neckline, spaghetti straps
- Bra-friendly design
- Form-fitting silhouette
- Side ruched seam, high-cut slit, side draping
- Floor-length hem
- Luxe stretch-satin fabric
- Fits true to size
Style Number/Barcode: 05002-2274
Category Name: Long Wedding Guest Dresses
Price: $14.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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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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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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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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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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Monica Chiffon Embellished Formal Dress
Special Occasion
The Monica dress moves with effortless grace, designed for evenings that call for elegance with a hint of sparkle. Crafted from flowing chiffon with an A-line, floor-length silhouette, it features a refined mock neckline, a sheer rhinestone-embellished faux-pearl waist accent, and a striking cross-open back, finished with a high front slit.
Fit & Features
- Chiffon fabric with lining
- High mock neckline with button closures
- Open cross-back strap design, hidden side zipper and hook-eye closure
- Sheer rhinestone and faux pearl embellished waist
- High front slit, A-line floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, spring galas, balls, formal celebrations, engagement parties, rehearsal dinners, anniversary dinners, milestone events, vacations, resorts, black tie occasions
Style Number/Barcode: 05002-001030
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW, LIGHT, BLUE
Available Size: XL, S, M, L
Product Badge:- Ships Free
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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, NAVY
Available Size: L
Product Badge:- Ships Free