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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Annie Formal Sequin Long Dress
Special Occasion
Lines of sparkly sequins add shine and a glamorous look to the Annie formal dress for a gala, charity dinner, or dressy event! She features a sleeveless, v-neckline, sleek bungee spaghetti straps that lead to her open-back with a lace-up design and sultry waist cutouts along the high-waist seam. Her slim, form-hugging silhouette offers a peek of skin on the front high-cut slit atop a maxi-length hem. The special event dress is composed of a sequin-knit fabric with a knit lining and a moderate stretch. Complete the look with a chic clutch and heels.
Fit & Features
- Sleeveless, v-neck, bungee spaghetti straps
- Adhesive bra recommended
- Open-back, lace-up design, back zipper closure
- High-waist seam, cutout accents
- Slim, form-hugging, slit maxi hem
- Sequin-knit fabric, knit lining, moderate stretch
- Fits true to size
Style Number/Barcode: 05002-2182
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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Simone Strapless Mermaid Formal Dress
Special Occasion
Sleek and sculpted, the Simone strapless mermaid gown is designed for a striking, statuesque entrance. The sweetheart neckline and softly draped sash detail contour the silhouette, creating an effortlessly refined look that feels equal parts modern and timeless.
Fit & Features
- Slinky knit stretchy fabric, knit lining
- Strapless sweetheart neckline, padded bra cups
- Front knotted sash
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, prom, galas, black tie events, engagement parties, rehearsal dinners, upscale birthdays, vacations, anniversaries, formal milestone celebrations
Style Number/Barcode: 05002-001717
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: HUNTER, BLACK
Available Size: XS, S, M, XL, L
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Maddie Velvet Open Back Mermaid Formal Dress
Special Occasion
Made for entrances that linger, the Maddie velvet burnout gown drapes with a cowl neckline and a sleek, floor-length silhouette. The low open back and delicate straps add a sultry finish, striking the perfect balance of elegance and allure.
Fit & Features
- Burnout velvet fabric, stretch knit lining
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Open back design
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, military balls, engagement parties, rehearsal dinners, formal milestone celebrations, birthday events, anniversaries
Style Number/Barcode: 05002-000325
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Alanna One-Shoulder Glitter Knit Formal Dress
Special Occasion
The Alanna glitter knit formal dress will give you a sultry silhouette while showcasing glamorous details. She features an asymmetric one-shoulder neckline with a tank shoulder strap, an alluring bust cutout, a fitted bodice leading to a floor-length A-line silhouette, and a chic thigh-high front slit to show off your heels. The glitter knit fabric has a gorgeous shimmer and offers a moderate stretch. Style with rhinestone hoops.
Fit & Features
- Asymmetric one-shoulder neckline, tank shoulder strap
- Bust cutout
- Fitted bodice, floor-length A-line silhouette
- High front slit
- Textured glitter knit fabric, knit lining at the bust, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2528
Category Name: Long Wedding Guest Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marlene Lace-Up Mermaid Beaded Pearl Formal Dress
Special Occasion
Fabulous and enchanting, the Marlene mermaid formal dress knows how to make an entrance! Crafted with countless beaded and faux pearls, this formal dress turns heads with a lace-up back and floor-length hem for a dramatic flair.
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
- Beaded and faux pearl embellished
- Mesh lined fabric with stretchy knit
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, formal celebrations, and red-carpet events.
Style Number/Barcode: 05002-9129
Category Name: Long Wedding Guest Dresses
Price: $19.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Layci Formal High Slit Dress
Special Occasion
Create a memorable impression in our breathing-taking Layci dress! She features a straight off-the-shoulder neckline with a fold-over accent and princess seams. Her slim fit bodice leads to an elongating floor-length silhouette that is accented with a high side slit to showcase your glam heels! The dress is composed of a crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with a rhinestone clutch.
Fit & Features
- Off the shoulder neckline
- Fold over accent, princess seams
- High side slit
- A-Line
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-0487
Category Name: Long Wedding Guest Dresses
Price: $33.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jianna Formal A-Line Crepe Dress
Special Occasion
Create a stylish moment with a formal dress that captures hearts from the moment you enter the room! Jianna features a sleeveless V-neckline, adjustable spaghetti straps, and an A-Line silhouette with a high side slit. The dress is composed of a scuba knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a rhinestone clutch.
Fit & Features
- Sleeveless wired V-neckline
- Adjustable spaghetti straps
- A-line silhouette
- High side slit
- Scuba knit fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1496
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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Luciana Formal Lace Mermaid Dress
Special Occasion
Bring elegance with timelessly captivating lace! Luciana features a laced bodice with a plunging V neckline with delicate trim, unlined floral lace long sleeves, and a matching V-shaped back. Her high waist leads to a curve-hugging mermaid silhouette skirt. The dress is composed of a partially lined lace and lined crepe fabric that offers a moderate stretch. Complete the look in statement earrings.
Fit & Features
- Lace long sleeves | Dual V-neckline
- Adhesive bra recommended
- Lace crochet lined bodice
- Empire waist | Form-fitting silhouette
- Mermaid floor-length hem
- Crepe lined fabric
- Fits true to size | Moderate stretch
Style Number/Barcode: 05002-0411
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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Klarissa Cowl Neck Mermaid Glitter Formal Dress
Special Occasion
An evening fit for a beauty like you begins in the Klarissa glitter formal dress! With a luminous shine across the mermaid silhouette, this floor-length gown ensures you'll standout out from the crowd.
Fit & Features
- Glitter knit fabric with a mini-length smooth knit lining, moderate stretch
- Sleeveless cowl neckline, padded bust
- Adjustable spaghetti straps, back zipper with hook-eye closure
- Ruched seams
- Mermaid silhouette, bonded floor-length hem
- Runs true to size
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Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, balls, galas, and formal weddings.
Style Number/Barcode: 05002-9066
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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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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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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Aurora Satin Rhinestone Corset Formal Dress
Special Occasion
Designed for evenings that call for quiet drama, the Aurora floor-length gown captivates with sculpted elegance and luminous detail. Satin-lined fabric meets a rhinestone embellished corset bodice with flexible boning and a high front wrap slit, creating a mermaid silhouette that feels both polished and unforgettable.
Fit & Features
- Stretch satin-lined fabric with a smooth drape
- V-neckline and wide shoulder straps
- Rhinestone embellished corset bodice with flexible boning
- Padded bust for enhanced shape and support
- High front wrap slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Black-tie weddings, galas, formal evening receptions, formal dances, big birthday events, red-carpet occasions, luxury destination vacations, fashion events, upscale cocktail parties, award nights
Style Number/Barcode: 05002-000872
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S
Product Badge:- Ships Free
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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