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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Last Look Satin Cowl Back Maxi Dress
The back understood the assignment. This satin maxi dress skims the figure with a plunging neckline, sculpted waist, and draped cowl back made for weddings, destination dinners, and elevated RSVPs.
Fit & Features
- Satin woven fabric, smooth woven lining
- Sleeveless deep V-neckline, tank shoulder straps
- Side zipper and hook-eye closure
- Open back with draped cowl design
- Form-hugging fit through the bodice and waist
- Maxi-length hem, A-line silhouette
- Runs true to size
Style Number/Barcode: 05101-001336
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
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Kyleigh Glitter Lace-Up Back Mermaid Dress
Special Occasion
Bring the glitz in a long glitter dress that features a sleeveless v-neckline, spaghetti straps that lead to a stunning lace-up back design, and a mermaid silhouette. Complete your wedding guest outfit with glitter heels.
Fit & Features
- Glitter fabrication, stretchy knit lining
- Sleeveless v-neckline, padded bra cups
- Spaghetti straps
- Lace-up back design
- Mermaid silhouette
- Long length hem
- Runs true to size
Style Number/Barcode: 05002-8848
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
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Shayna Formal Strapless Ruffled Long Dress
Special Occasion
Cascading ruffles bring the perfect dose of drama to the Shayna formal long dress! She features a strapless neckline with non-slip grip lining, front ruffles going down the front, a slim silhouette, and a floor-length hem with a flirty side slit. The formal maxi dress is crafted from a smooth knit fabric that hugs your body like an hourglass! Complete the look with a glam hair accessory for a wedding or fancy celebration!
Fit & Features
- Strapless neckline, non-slip grip lining
- Ruffles down the front
- Slim silhouette
- Side slit, floor-length hem
- Smooth knit fabric, moderate stretch
- Strapless bra recommended
- Runs true to size
Style Number/Barcode: 05002-7766
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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Tess Floral Off-The-Shoulder Formal Dress
Special Occasion
Bloom with spellbinding beauty in the Tess floral formal dress! This floral mesh gown brings all the elegance with an off-the-shoulder neckline, mermaid silhouette that flaunts your curves, and leg-baring slit.
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Off-the-shoulder neckline, short-sleeve cuffs
- Back zipper and hook-eye closure
- Mermaid silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, summer galas, black tie events, vacation, fancy date nights, dinner parties
Style Number/Barcode: 05002-000009
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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Mishka Strappy Open Back Mesh Mermaid Formal Dress
Special Occasion
Divine and daring, make the jaws drop in the Mishka mesh formal dress at weddings and black tie events. The formal dress stuns with an open strappy back design while the form-hugging mermaid silhouette offers a flattering look. Pair with earrings.
Rich, bold, and unforgettable—this dress is pure royalty. Love this shade? Explore our purple prom dresses or find a celebration-ready look in our wedding guest dresses.
Fit & Features
- Mesh lined fabric, moderate stretch
- Square neckline
- Wide shoulder straps
- Open strappy back design with tie
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8947
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Penelope Sweetheart Lace Panel Mermaid Formal Dress
Special Occasion
Showcase your inner bombshell in the curve-flaunting Penelope mermaid formal dress at banquets and weddings! Made from crepe fabric, this floor-length dress boasts a timeless and exclusive look. Her elegant sweetheart neckline and adjustable spaghetti straps accentuate your silhouette, while the sheer lace bust and side panels with nude-tone lining give the illusion of an hourglass figure along the mermaid silhouette and floor-length hem designed to elongate. Complete the look with chandelier earrings for a grand debut.
Fit & Features
- Crepe fabrication with moderate stretch
- Sheer lace bust and side panels with nude-tone lining
- Sweetheart neckline with padded bust
- Adjustable spaghetti straps
- Back zipper with hook and eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8508
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ramona Formal High-Low Ruffled Mermaid Dress
Special Occasion
The Ramona high-low ruffled mermaid dress will have you looking oh-so-chic at weddings and formal parties! Crafted with a structured crepe fabric with a moderate stretch, this long dress features a curve-hugging fit to flaunt your gorgeous figure. Her bodice is shaped with a sleeveless sweetheart neckline with a structured and padded bust and thin tank shoulder straps leading to an alluring low-back design to show off a hint of skin. Her mermaid silhouette is accented with a high-low ruffled hem for a chic flair. Complete your look with platform heels.
Fit & Features
- Crepe fabric with moderate stretch, sewn-in knit lining
- Sweetheart neckline, structured and padded bust
- Tank straps, built-in padded underwire bust
- Low back, zipper hook-eye closure
- High-low ruffled hem
- Mermaid fit
- Runs true to size
Style Number/Barcode: 05001-1915
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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Susan Formal Velvet Lace-Up A-Line Dress
Special Occasion
You're guaranteed to be on the best-dressed list in the Susan formal velvet dress for galas or red carpet events! She features a sleeveless square neckline, adjustable spaghetti straps, a padded bust, a lace-up back design with tie closure, and a flattering high front slit, mermaid silhouette, and floor-length hem. The formal dress is crafted from a luxurious velvet knit fabric - you'll feel so Old Hollywood glam in and has a bust lining. Complete the look in sparkly stiletto heels and jewelry.
Fit & Features
- Sleeveless square neckline, padded bust
- Adjustable spaghetti straps
- Lace-up back, tie closure, hidden zipper and hook-eye closure
- High front slit, A-line silhouette, floor-length hem
- Velvet knit fabric, bust lining, moderate stretch
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7523
Category Name: Long Wedding Guest Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Connie Formal Velvet One-Shoulder Dress
Special Occasion
Soft, luxe velvet crafts the Connie formal dress to make a flawless appearance on bridesmaids and dressy events! She features a sleeveless one-shoulder neckline, a wide shoulder strap, a pleated bodice, and a form-hugging asymmetrical long hem with a sexy high-side slit. The formal dress is composed of velvet fabric with a stretchy knit lining and moderate stretch. Style with a chic clutch and earrings to complete the look.
Fit & Features
- Sleeveless one-shoulder neckline, wide shoulder strap
- Back zipper and hook-eye closure
- Pleated bodice
- Form-hugging, high-side slit, asymmetrical long hem
- Luxe velvet fabric, knit lining, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7128
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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Chantal Formal Satin Mermaid Dress
Special Occasion
Classically sultry and stunning, the Chantal formal dress will make jaws drop on bridesmaids and at banquet dinners! She features a sleeveless one-shoulder neckline, a tank-style strap, and a sheer mesh trim along the bust with a pleated side seam along her high waist. The form-hugging, mermaid silhouette leads to the asymmetrical, floor-length hem with a sultry slit to show some skin. She's composed of a buttery silky-smooth satin fabric with lining and minimal stretch. Style with rhinestone earrings and silver heels to complete the look!
Fit & Features
- Sleeveless one-shoulder neckline, tank-style strap
- Sheer mesh trim along the bust, pleat side seam, high-waist
- Back zipper and hook-eye closure
- Form-hugging, mermaid silhouette, asymmetrical slit, floor-length hem
- Lined silky satin, minimal stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6840
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Izzy Formal Off The Shoulder Dress
Special Occasion
The Izzy is nothing short of a showstopper! Waltz into the party in her graceful off-the-shoulder silhouette featuring flirty short-sleeve cuffs and a form-fitting bodice with a smocked back panel and zipper closure. Her A-line silhouette offers a show of leg in the high-cut side slit that leads to the floor-length hem. The formal dress is composed of a chiffon-lined fabric. Complete the look in a pair of gorgeous glitter heels to sparkle with each step.
Fit & Features
- Sleeveless, off-the-shoulder neckline, short-sleeve cuffs
- Padded cups
- Back smocked panel, zipper closure
- Form-fitting, a-line silhouette
- Side high-cut slit, floor-length hem
- Chiffon-lined fabric
- Fits true to size
Style Number/Barcode: 05002-2076
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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Paige Ruffled Wrap-Front Formal Dress
Special Occasion
Bring the dramatic flair in the stunningly bold Paige formal dress. She features a sleeveless square neckline, spaghetti straps that lead to a cross-back lace-up design, a floor-length wrap-front skirt creating a front slit, and chic ruffle detailing. Style this dress with rhinestone fringe earrings and strappy heels.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps
- Open back, cross-back straps, lace-up strappy design, tie closure
- Princess seams, high waist seam
- Floor-length wrap-front skirt, front slit
- Ruffle detailing
- Runs true to size
Style Number/Barcode: 05002-1622
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Katana Abstract A-Line Formal Dress
Special Occasion
Float through the evening like you already belong on the best-dressed list in The Katana, a sweeping statement made for unforgettable arrivals. The abstract print mesh fabric, plunge halter V-neck, and open back bring a striking contrast to the soft movement of the A-line floor-length silhouette and front slit.
Fit & Features
- Abstract print, mesh fabric, knit stretchy lining
- Plunge halter V-neckline with tie straps, padded bra cups
- Open back, lower zipper and hook-eye closure
- Side ruched seams
- Front slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, galas, engagement parties, art galleries, cocktail soirees, birthday dinners, vacations, destination celebrations
Style Number/Barcode: 05002-000879
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: BLUE
Available Size: XS, S
Product Badge:- Ships Free
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Meredith Satin Halter Open Back Formal Dress
Special Occasion
Built for that “all eyes on you” moment, the Meredith formal dress embodies modern glamour in sleek satin with a halter neckline and snake chain strap accented by clear gemstones. The open cowl-draped back and floor-length mermaid silhouette delivers an effortlessly statuesque finish made for the spotlight.
Fit & Features
- Premium satin fabric, woven lining, no stretch
- Halter neckline, snake chain strap, clear gemstone accent, lobster clasp closure
- Open back, adjustable strap, cowl drape accent
- Side zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Black-tie wedding, gala, formal celebration, holiday soiree, red-carpet occasion, rehearsal dinners, engagement parties, fancy date nights
Style Number/Barcode: 05002-000589
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Deirdre Ruched High Slit Mermaid Dress
Special Occasion
Chic will be your mood in the Deirdre mermaid dress accented with a twist-front cutout at the neckline and a high-cut front slit to show some skin. The ruched draped overlay at the waist offers a flattering design you'll love.
Fit & Features
- Smooth knit fabric with full-length knit lining, high stretch
- Sleeveless crew neckline, twist-front accent, asymmetric cutout
- Padded bust
- Back zipper closure
- Ruched draped overlay at the waist
- Floor-length mermaid silhouette, high front slit
- Runs true to size
Where to Wear:
Weddings, dressed-up dinners, romantic date nights, and rooftop parties.
Style Number/Barcode: 05002-000063
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Liv Formal Glitter Corset Mermaid Long Dress
Special Occasion
Captivate every audience in the Liv formal glitter long dress with your shimmer! She features a sweetheart neckline with a cowl draping, spaghetti straps, a chic sheer corset-trim bodice, and a curve-hugging mermaid silhouette with a graceful floor-length hem. The formal maxi dress is composed of a sparkly glitter mesh fabric with a stretchy knit lining. Finish the look with rhinestone earrings for a fancy birthday soiree or party!
Fit & Features
- Sleeveless sweetheart neckline, cowl draping
- Spaghetti straps
- Sheer corset-trim bodice
- Mermaid silhouette, floor-length hem
- Glitter mesh fabric, stretchy knit lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7753
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Janie Formal Satin Lace Long Dress
Special Occasion
Inspire awe as you walk into the room in the Janie formal long dress at banquets, school dances, and black tie events! She stuns in a sleeveless cowl neck, adjustable spaghetti straps so you can customize the fit, cross-back strap design, built-in padded bust, and flexible boning inserts along her lace mesh bodice. The side pleated seam leads to the form-hugging, mermaid wrap silhouette with a sultry front slit. The formal dress is composed of a lace and satin-lined fabric with a moderate stretch. Complete the look with an embellished clutch purse.
Fit & Features
- Sleeveless cowl neck, adjustable spaghetti straps, cross-back design
- Back zipper and hook-eye closure
- Built-in padded bust, flexible boning, lace mesh bodice
- Side pleated seam, mermaid silhouette, front slit, long hem
- Lined silky satin fabric, moderate stretch
- No bra required
- Runs true to size
Style Number/Barcode: 05002-3976
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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Frida Formal Satin Ruffle Dress
Special Occasion
The drama's in the details of the glamorous Frida satin dress! She features a sleeveless, cowl neckline, adjustable spaghetti straps, high waist seam, and a flirty ruffled front slit that leads to her floor-length hem. The formal dress is composed of a luxe satin-lined fabric with a moderate stretch. Complete your dressy look with a chic rhinestone clutch.
Fit & Features
- Sleeveless, cowl neckline, adjustable spaghetti straps
- Strapless bra recommended
- High waist seam, back zipper closure
- Form-fitting, ruffled front slit
- Floor-length hem
- Luxe satin fabric, lined, moderate stretch
- Fits true to size
Style Number/Barcode: 05002-2436
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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Saylor Velvet Lace-Up Slit Mermaid Formal Dress
Special Occasion
Created for nights that feel cinematic, the Saylor velvet gown features a sultry high slit, corset bodice, and lace-up back detail. The sweeping mermaid silhouette moves with elegance, ensuring every step feels like a statement.
Fit & Features
- Plush velvet with stretch
- Cowl neckline
- Adjustable spaghetti straps
- Corset bodice, flexible boning
- Lace-up back design
- High front wrap slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Black tie weddings, galas, military balls, formal engagement parties, rehearsal dinners, nights at the theatre, red-carpet occasions
Style Number/Barcode: 05002-000428
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sultry Fave Halter Cowl Neck Floral Maxi Dress
You'll always embody sultriness in this floral mesh maxi dress perfect for weddings or cocktail parties! The halter cowl neckline with tie adds a touch of charm, while the form-hugging silhouette highlights your curves. The maxi-length hem and floral print mesh fabric bring an elegant and romantic touch. Complete the look with rhinestone earrings and a clutch.
Fit & Features
- Floral print, mesh fabric lined with stretchy knit
- Halter cowl neckline with tie
- Form-hugging silhouette
- Maxi-length
- Runs true to size
Style Number/Barcode: 05101-3331
Category Name: Long Wedding Guest Dresses
Price: $9.97 $45.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kathleen Formal Velvet Floral Mermaid Long Dress
Special Occasion
With a flocked velvet floral pattern that's simply irresistible, the Kathleen formal dress makes a bold impression! She features adorable puff short sleeves, a square neckline, a padded bust, a mermaid silhouette that flaunts your gorgeous curves, and a perfect floor-length hem. The formal dress is composed of a flocked velvet floral pattern on mesh fabric that brings sultry charm and has a stretchy knit lining. Complete the look with dangly earrings for a black tie wedding or gala!
Fit & Features
- Puff short sleeves
- Square neckline, padded bust
- Back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Flocked velvet floral pattern, mesh fabric, stretchy knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-7594
Category Name: Long Wedding Guest Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lottie Formal Cross Back Slim Long Dress
Special Occasion
Attention, the fabulous Lottie formal dress is about the enter the room with you looking stunning in her! She features a sleeveless square neckline, spaghetti straps, a revealing open back with cross straps, a form-hugging slim silhouette, and side ruched seams leading to the floor-length hem with a high side slit. The formal dress is composed of a slinky knit fabric that offers plenty of stretch. Complete the look with a statement bracelet and heels.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Open back, cross straps
- Form-hugging, slim silhouette
- Side ruched seams, high side slit, floor-length hem
- Slinky knit fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7324
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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Kayla Satin Open Back Chiffon Formal Dress
Special Occasion
Graceful with a hint of allure, the Kayla satin gown is made for moments that feel effortlessly elevated. The satin V-neckline, open tie-back design, and chiffon sheer floor-length hem create fluid movement and a silhouette that feels refined yet unforgettable.
Fit & Features
- Stretch smooth satin-lined fabric through bodice
- V-neckline, padded bra cups for support
- Adjustable spaghetti straps
- Open back with tie and a lower zipper and hook-eye closure
- Fitted silhouette that skims the body with ease
- Chiffon sheer floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, elegant destination celebrations, formal garden receptions, outdoor estate events, rehearsal dinners, engagement parties, upscale birthday events, anniversaries, formal dances, fashion-forward events
Style Number/Barcode: 05002-000748
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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Erica Mesh Open Back Mermaid Formal Dress
Special Occasion
Soft, sculpted, and effortlessly striking — the Erica formal dress is made for every entrance worth remembering. Designed in stretch mesh that smooths and shapes, this gown features a plunging neckline, open tie-back, and a body-hugging mermaid silhouette that drapes like liquid elegance.
Fit & Features
- Stretch mesh-lined fabric
- V-neckline, padded bra cups
- Wide shoulder straps
- Open back with tie
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal weddings, evening galas, red-carpet events, luxe date nights, holiday parties, engagement dinners, birthday celebrations, black-tie or destination events
Style Number/Barcode: 05002-000522
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free