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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Nadia Formal Glitter Long Dress
Special Occasion
Stretch knit glitter transforms the Nadia formal dress into a dancing queen's wish come true! She features a sleeveless cowl neckline with spaghetti straps that cross along her low-cut back, and side ruched seams to accentuate your curves on her form-hugging silhouette with a sexy side slit along the long hem. The formal dress is composed of a glitter-knit fabric with a knit lining and moderate stretch. Complete your dressy look in a necklace and earrings set.
Fit & Features
- Glitter knit fabric, knit lining, moderate stretch
- Sleeveless cowl neckline, spaghetti straps
- Low-cut back with cross straps
- Side ruched seams, side slit
- Form-hugging, long hem
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7054
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Camren Formal Sequin Strappy Mermaid Dress
Special Occasion
Elegance is an understatement when it comes to the Camren formal sequin dress! Radiant the night in an everlasting glow at homecoming, prom, or celebration parties! She features a sleeveless plunge V-neckline with a wire insert, padded bust, bungee spaghetti straps that shape the strappy back design, a mermaid silhouette, and a floor-length hem. The formal dress is composed of a shimmering iridescent sequin-embroidered mesh fabric with a stretchy knit lining. Style with a sleek clutch and heels for a glamorous look!
Fit & Features
- Sleeveless plunge V-neckline, wire insert, padded bust
- Bungee spaghetti straps, strappy open back
- Lower back zipper closure
- Mermaid silhouette, floor-length hem
- Iridescent sequin-embroidery, mesh fabric, stretch knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-2997
Category Name: Long Wedding Guest Dresses
Price: $9.97 $159.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sadie Formal Crepe Mermaid Dress
Special Occasion
Sophisticated yet sultry, turn-heads in the Sadie formal crepe dress for a rehearsal dinner, summer wedding, or black-tie gala! She features a sleeveless scoop neck with a cutout accent, adjustable spaghetti straps that can criss-cross in the front or back, and a form-hugging bodice that leads to her long mermaid silhouette with a sexy front slit. The formal dress is composed of a crepe knit-lined fabric with a moderate stretch. Complete your dressy look with a sparkly jewelry set.
Fit & Features
- Sleeveless scoop neck, cutout accent
- Adhesive bra recommended
- Adjustable spaghetti straps, criss-cross design in the front or back
- Back zipper closure
- Form-hugging bodice
- Mermaid silhouette, front slit, floor-length hem
- Crepe knit lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2373
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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Bridget Double Slit Dress
Special Occasion
Dream of a romantic getaway in our ravishing Bridget gown! She features a deep V neck and back, a banded waistline, and a pleated bodice. Her high waist flows to a floor-length skirt with an A-line design, a back zipper closure, and two thigh-high slits. She is fully lined with a smooth knit fabric that offers moderate stretch, and she has a tulle overlay that offers a dreamy angelic flow. Complete the look with cascading rhinestone duster earrings and a sleek clutch.
Fit & Features
- Tank shoulder straps
- V neck and back
- Back zipper and hook and eye closure
- High banded waist
- Floor-length skirt, A-line silhouette
- Sheer tulle fabric
- Full knit lining with dual high slits
- Runs true to size
Style Number/Barcode: 05002-0318
Category Name: Long Wedding Guest Dresses
Price: $14.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Raven Off-Shoulder Cutout Mermaid Formal Dress
Special Occasion
Exude sophistication in the Raven off-shoulder formal dress to make a stunning entrance. Crafted from a smooth knit fabrication, the floor-length dress boasts a head-turning open-back design with a twist accent and a mermaid silhouette that hugs your curves like a glove.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Off-shoulder neckline
- Open back with twist accent
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, galas, black tie events, charity dinners, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-9550
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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Felicity Satin Dress With Sheer Shawl
Special Occasion
The Felicity satin column gown pairs sleek structure with ethereal movement for a look that feels effortlessly elevated. Featuring a strapless neckline and a flowing sheer chiffon cape overlay, it’s the kind of silhouette that turns every step into a moment.
Fit & Features
- Premium satin fabric
- Strapless neckline, non-slip grip lining
- Side zipper and hook-eye closure
- Includes a sheer mesh shawl
- Column silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, formal galas, rehearsal dinners, red-carpet occasions, black-tie events, formal milestone celebrations, and anniversary parties.
Style Number/Barcode: 05002-001750
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: LIGHT, BLUE, YELLOW, PLUM
Available Size: S, M, L
Product Badge:- Ships Free
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Vanessa Strapless Satin Crepe Formal Dress
Special Occasion
Show up and stun in the classic and chic Vanessa strapless formal dress! She features a two-tone design with a sleek satin bodice with a square neckline, a crepe knit skirt with an asymmetrical high waist seam, and a fitted floor-length silhouette with a sultry thigh-high side slit. Style this dress with a pair of strappy stiletto heels.
Fit & Features
- Two-tone design
- Satin bodice, strapless square neckline
- Strapless or adhesive bra recommended
- Crepe knit skirt, asymmetrical high waist seam
- Floor-length silhouette, high side slit
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2147
Category Name: Long Wedding Guest Dresses
Price: $14.97 $62.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Clara Rhinestone Detail Satin Mermaid Dress
Special Occasion
Sultry glamour will be your vibe in the Clara sleek satin mermaid dress. She features a sleeveless bodice, adjustable spaghetti straps for a customized fit, and a trendy cowl neckline with a sweetheart design and iridescent rhinestone detailing. Her flattering high waist seam flows out to a floor-length, fitted mermaid silhouette with a thigh-high side slit to showcase some leg. Style this dress with embellished heels.
Fit & Features
- Sleeveless bodice, adjustable spaghetti straps
- Cowl neckline with a sweetheart design, iridescent rhinestone embellishment
- High side slit
- Back zipper and hook and eye closure
- High waist seam
- Floor-length mermaid silhouette
- Satin-knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1752
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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Drew Open Back Glitter Mermaid Dress
Special Occasion
Shimmer with every step in the glam Drew glitter floor-length dress designed with a revealing open back and high front slit to show skin along the mermaid silhouette. Pair with earrings.
Fit & Features
- Glitter knit fabric with knit lining, moderate stretch
- Sleeveless square neckline, pleated draped cowl neck overlay
- Tank shoulder straps, padded bra cups
- Open back, bar back accent
- Front ruching, high front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8821
Category Name: Long Wedding Guest Dresses
Price: $29.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: RED
Available Size: XS, S, M, L
Product Badge:- Sale
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Ashleigh Formal Crepe A-Line Dress
Special Occasion
Celebrate a special moment in the Ashleigh formal dress for red-carpet events or bridesmaids! She radiates a sultry style featuring a sleeveless sweetheart neckline, wide adjustable shoulder straps, a lightly padded bust, a princess seam bodice, an A-line silhouette with a pleated side seam, and faux wrap floor-length hem with a slit accent. The formal dress is composed of a lined crepe fabric with minimal stretch. Style with a sparkly clutch and heels to complete the look!
Fit & Features
- Sleeveless sweetheart neckline, wide adjustable shoulder straps
- Back zipper and hook-eye closure
- Lightly padded bust, princess seam bodice, bra optional
- Pleated side seam, A-line silhouette
- Faux wrap floor-length hem, slit accent
- Lined crepe fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-3735
Category Name: Long Wedding Guest Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Martha Formal Satin Mermaid Long Dress
Special Occasion
Martha is ready for her close-up on bridesmaids or for a fancy cocktail event! She features a sleeveless scoop neckline, a ruched and padded bust, spaghetti straps that lace up along the open back, a lower ruched seam to accentuate your curves, and a form-hugging mermaid silhouette that effortlessly flares into the floor-length hem. The formal dress is composed of a smooth satin-knit fabric with a subtle sheen perfect for bringing the chic allure! Style with earrings and a beaded clutch to complete the look.
Fit & Features
- Sleeveless scoop neckline, ruched and padded bust
- Spaghetti straps, back hook and eye closure
- Strappy lace-up open-back design
- Back lower ruched seam and zipper closure
- Form-hugging, mermaid silhouette, floor-length hem
- Smooth satin-knit fabric, mini-length knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-3023
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Paisley Formal Sequin Leaf Dress
Special Occasion
Shine like the rare gem you are in our captivating Paisley dress! She features a plunging V neckline, padded cups, vertical princess seams at the bust and tank-like straps. Her relaxed fit empire waist leads to a curve hugging mermaid silhouette. She is adorned with sparkling sequins throughout that are set in a leaf pattern. Dress is composed of a lined mesh fabric that offers a form hugging fit with a slight stretch. Includes a back zipper closure with fish and hook closure.
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: 05002-0303
Category Name: Long Wedding Guest Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alaina Glitter Knit Mermaid Dress
Special Occasion
The Alaina strapless glitter knit mermaid dress is all about sleek drama, showcasing a smooth, luminous finish that feels effortlessly elevated. A striking open back with O-ring detail adds just the right touch of glamour for moments that call for unforgettable entrance energy.
Fit & Features
- Strapless straight neckline
- Fitted bodice
- Side cutouts at the waist leading to open lower back
- O-ring back detail with dangling chain and rhinestone accent
- Curve-hugging mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, winter formal, black-tie parties, galas, birthday celebrations, and red-carpet events.
Style Number/Barcode: 05002-000798
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW, LIGHT, BLUE
Available Size: S, M, L, XL
Product Badge:- Ships Free
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Melody Formal One Shoulder Satin Dress
Special Occasion
Make a mesmerizing impression with a formal dress that creates a head-turning moment! Melody features a one-shoulder neckline, a double-row of asymmetrical spaghetti straps, and an A-line silhouette with an ultra-high side slit. The dress is composed of a lined satin fabric that offers a form hugging fit with a moderate stretch. Complete look with high heels and a rhinestone clutch.
Fit & Features
- One-shoulder neckline
- Double-row asymmetrical spaghetti straps
- Adhesive bra recommended
- High waist
- High side slit
- A-line
- Lined satin fabric
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-2269
Category Name: Long Wedding Guest Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Rhonda Strappy Back Slit Glitter Formal Dress
Special Occasion
Capture a marvelous shine in the Rhonda mermaid glitter formal dress with a gorgeous open strappy back and high front slit for effortless movement all night!
Fit & Features
- Glitter knit fabric with full-length knit lining, high stretch
- Sleeveless V-neckline, padded bust, ruching
- Adjustable spaghetti straps
- Open back with strappy design, hook and bar closure, ruched zipper with hook-eye closure
- Ruched faux wrap-front design, high slit
- Floor-length mermaid silhouette
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, galas, red-carpet events, and fancy soirees.
Style Number/Barcode: 05002-9045
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tanya Lace-Up Slit Mermaid Beaded Formal Dress
Special Occasion
Step into the spotlight in the stunning Tanya beaded mermaid formal dress! Designed with a striking lace-up back and high front slit for effortless movement.
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Beaded and sequin embellishments
- Mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Ruffled spaghetti straps
- Lace-up back, zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, garden parties, weddings, and formal celebrations.
Style Number/Barcode: 05002-9410
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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Corrine Sheer Lace High Slit Mermaid Dress
Special Occasion
Showcase alluring glamour in the chic Corrine formal dress! She features a sleeveless sheer lace bustier-style bodice with structured and lined cups, an eyelash lace trim, adjustable spaghetti straps, a sexy sheer mesh insert at the waist, a floor-length crepe skirt with a thigh-high side slit to show off some leg, and a form-hugging mermaid silhouette. Style with rhinestone fringe earrings to complete your fancy look.
Fit & Features
- Sleeveless sheer lace bustier-style bodice, eyelash lace trim
- Structured, padded, and lined cups
- Adjustable spaghetti straps, back zipper, hook and eye closure
- Sheer mesh insert at the waist, high waist seam
- Floor-length crepe skirt, moderate stretch, high side slit
- Fitted mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-2651
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jaymie Tie-Back Floral Velvet Mermaid Formal Dress
Special Occasion
Make any entrance unforgettable in the Jaymie mermaid formal dress perfect for school dances, weddings, and fancy soirees. With a chiffon tie-back design and a lovely flocked velvet floral pattern, this floor-length dress will keep compliments coming all night. Pair with heels.
Fit & Features
- Flocked floral velvet pattern, mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Chiffon tie-back design, zipper and hook-eye closure
- Ruched side seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9024
Category Name: Long Wedding Guest Dresses
Price: $39.97 $76.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Constance Formal Ruffled Glitter Dress
Special Occasion
Radiate elegance with a formal dress that channels endless shine! Constance features a sleeveless square neckline and spaghetti straps. Her high waist features a gorgeous high side slit with a ruffled trim and an A-line silhouette. The dress is composed of a lined glitter knit 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
- High waist
- High side slit, ruffled trim
- A-Line, mini skirt length knit lining
- Lined glitter knit fabric
- Form hugging fit, moderate stretch, runs true to size
The saturation of glitter varies. Glitter may transfer.
Style Number/Barcode: 05002-1920
Category Name: Long Wedding Guest Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Allesia Velvet Evening Gown
Special Occasion
Ring in your special day with a sleek and sexy look. Pair with your favorite statement earrings for a stunning look.
Fits & Features
- V Neckline
- Tank Straps Lead To Low Back With Bar Detail
- Floor Length Hemline With Slight Fare
- Velvet Fabric I Fully Lined
- Curve Hugging Fit I Moderate Stretch
Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0306
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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Romina Lace Cowl Neck High Slit Mermaid Dress
Special Occasion
Showcase chic elegance in the Romina formal mermaid dress crafted with sheer detailed lace fabric with a complete knit lining. It features a sleeveless sweetheart neckline with a built-in padded bust, a draped cowl neck overlay, adjustable spaghetti straps for a customized fit, and a floor-length mermaid silhouette accented with a high-cut front slit.
Fit & Features
- Sheer lace fabric with knit lining, moderate stretch
- Sweetheart neckline with padded bust, draped cowl neck overlay, underbust seam
- Adjustable spaghetti straps
- Back zipper with hook-eye closure, ruching
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8781
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
- Sheer lace fabric with knit lining, moderate stretch
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Sophia Lace-Up Ruffle Mermaid Mesh Formal Dress
Special Occasion
The sweetness of ruffles combined with the statement look of the Sophia mesh formal dress is the perfect style for bridesmaids or party guests! This stunning dress is designed with a flattering square neckline, adjustable spaghetti straps for a customizable fit, and a mermaid silhouette that accentuates your curves. The ruffled trim and high side slit add a touch of drama, while the mesh fabric exudes sophistication. Complete your formal look in dainty earrings and a bracelet for a chic touch!
Fit & Features
- Mesh fabric lined with stretchy knit
- Padded bra cups
- Adjustable spaghetti straps
- Lace-up, back zipper and hook-eye closure
- Mermaid silhouette, ruffles
- High side slit
- Runs true to size
Style Number/Barcode: 05002-8383
Category Name: Long Wedding Guest Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cadence Formal Crepe Ruched Mermaid Dress
Special Occasion
So dreamy and demure! The Cadence formal crepe long dress embodies sophistication at its finest. She features a sweetheart neckline, spaghetti straps, a ruched bodice detail, a high front slit to show some leg, and a flattering mermaid silhouette and graceful floor-length hem. Crafted from a lightweight crepe fabric offering plenty of stretch for comfort. Finish the look with chandelier earrings for a banquet or black tie wedding.
Fit & Features
- Sleeveless sweetheart neckline, spaghetti straps
- Ruched bodice, back zipper and hook-eye closure
- Mermaid silhouette
- High front slit, floor-length hem
- Lightweight crepe fabric, moderate stretch
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-8199
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lilliana Cowl Neck Knit Mermaid Dress
Special Occasion
Radiate beauty at your next formal affair in the chic Lilliana formal mermaid dress! Designed with a stretchy knit fabric with a full-length knit lining, she features a sleeveless cowl neckline, adjustable spaghetti straps to find your perfect customized fit, ruched seams at the bodice, and a floor-sweeping hem with a curve-hugging mermaid silhouette. Complete the look with sleek hoops and strappy stilettos.
Fit & Features
- Stretchy lined knit fabric
- Cowl neckline
- Adjustable spaghetti straps
- Ruched side seams
- Mermaid fit
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8714
Category Name: Long Wedding Guest Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free