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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Tori Cowl Neck Mermaid Sequin Mesh Formal Dress
Special Occasion
Beautifully embellished with sequins in scroll patterns, the Tori formal dress captivates everyone at prom or banquets! She's designed with an elegant cowl neckline and adjustable spaghetti straps so you customize the fit, while the mermaid silhouette flaunts your hourglass, and high front slit adds a touch of allure perfect for any formal occasion. Style the gown with earrings, a clutch, and heels for an unforgettable evening look!
Fit & Features
- Sequin scroll pattern, mesh fabric lined with knit
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8118
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Caterina Formal Strapless Faux Pearl Long Dress
Special Occasion
Step out in elevated luxury with the Caterina formal long dress adorning colored faux pearl embellishments for an opulent look! She features a strapless neckline with non-slip grip lining, a padded bust for support, and side ruched seams that accentuate your curves along the bodycon silhouette. The formal dress is finished with a center back slit for movement and a long-length hem on mesh fabric with a sewn-in knit lining. Complete the look with earrings for a wedding or school dance!
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
- Strapless neckline, non-slip grip lining
- Back zipper and hook-eye closure
- Side ruched seams, bodycon silhouette
- Center back slit, long-length hem
- Colored faux pearl embellishments
- Mesh fabric, sewn-in knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-8448
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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Winona Halter Mermaid Dress
Special Occasion
Sleek and stunning will be your vibe in the Winona formal dress. Crafted with smooth and stretchy knit, it features a chic square neckline, tie-back halter straps, and a floor-length mermaid silhouette to hug your curves.
Fit & Features
- Sleek knit fabric with full-length knit lining, high stretch
- Sleeveless square neckline
- Ruched detailing, padded bust
- Tie-back halter straps, partially open back
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, receptions, black-tie parties, galas, dressed-up dinners, formal date nights, and chic soirees.
Style Number/Barcode: 05002-001832
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: TEAL
Available Size: XS, L, XL
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Penny Velvet Long Sleeve Mermaid Formal Dress
Special Occasion
Sultry sophistication, reimagined. The Penny formal gown stuns with its sculpted sweetheart neckline and sheer mesh long sleeves, balancing allure and elegance. A daring cutout back and high front slit elevate its velvet mermaid silhouette—made for evenings that deserve every double take.
Fit & Features
- Luxe velvet-lined fabric
- Sweetheart neckline, padded bra cups
- Sheer mesh fitted long sleeves
- Cutout back design, zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal weddings, black-tie receptions, holiday galas, red-carpet events, luxe date nights, anniversaries, formal celebrations, evening soirees, charity balls
Style Number/Barcode: 05002-000491
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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Daria Formal High Slit Satin Dress
Special Occasion
Bring the luxe in our captivating Daria dress! She features a sleeveless bodice, a V neckline, adjustable spaghetti straps and vertical princess seams to accent the bust. Her slim fit bodice leads to a sweeping floor length silhouette accented with a high side slit. Dress is composed of a lined satin fabric that offers a relaxed fit with slight stretch. Includes a back zipper closure with hook and eye fasten closure.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 15002-0150
Category Name: Long Wedding Guest Dresses
Price: $36.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- 50% Off
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Kesha Formal Glitter Cowl Neck Dress
Special Occasion
The Kesha formal dress is all about bringing glitz and glamour in her radiate glittery silhouette! She features an eye-catching, sleeveless, halter cowl neckline and a partial open-back design. Flaunt your figure in her form-fitting silhouette with side ruched seams along the floor-length hem. She's composed of a glitter stretch-knit fabric. Complete the look in large hoop earrings and a clutch.
Fit & Features
- Sleeveless, halter cowl neckline, partial open-back
- Strapless or adhesive bra recommended
- Form-fitting silhouette
- Side ruched seams, floor-length hem
- Glitter knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2106
Category Name: Long Wedding Guest Dresses
Price: $29.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tabitha Satin A-Line Dress
Special Occasion
Wrap yourself up in our luxe Tabitha! Her a-line silhouette will allow you to glide effortlessly along the dance floor.
Fits & Features
- Adjustable Spaghetti Straps
- Surplice V Neckline I Square Back
- Back Zip With Hook & Eye Closure
- Slant Hand Pockets
- Floor Length, Full Wrap Skirt I A-Line Silhouette
- Lined Satin-Like Fabric I Pleating Details
- Moderate Stretch
Model is 5'9" with a 34" bust, 24" waist and 35.5" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0392
Category Name: Long Wedding Guest Dresses
Price: $14.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Halle Formal Velvet Wrap Dress
Special Occasion
Wrap yourself in luxe velvet and have a moment as you make an entrance in our Halle velvet dress!
Fit & Features
- V-Neckline
- Adjustable Spaghetti Straps
- Ruched Left Side Seam
- Wrap Silhouette | High Side Slit
- Lined Velvet Fabric
- Form Hugging Fit
- Moderate Stretch
Light Blue: Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.
Mauve: Model is 5'9" with a 34" bust, 24" waist and 34.5" hips. She is wearing a size small
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0617
Category Name: Long Wedding Guest Dresses
Price: $19.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Paulina Strappy Open Back Slit Sequin Formal Dress
Special Occasion
Lustrous sequins illuminate the glamorous Paulina formal dress showcasing a strappy open back for sultry allure and a high front slit perfect for showing off heels.
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Sequin embellished, mesh fabric lined with stretchy knit
- Scoop neckline, padded bra cups
- Adjustable spaghetti straps
- Strappy open back, hook closure
- High front slit
- Form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, glamorous parties, special occasions
Style Number/Barcode: 05002-9369
Category Name: Long Wedding Guest Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Pam Formal Velvet Long Sleeve Mermaid Dress
Special Occasion
Luxurious velvet creates the chic-sophisticated Pam formal dress! Her timeless silhouette features a sweetheart neckline with cowl pleating, fitted long sleeves, a corset bodice with flexible boning to give you a snatched appearance, a head-turning strappy lace-up back, and a high front slit, all crafted from beautiful velvet fabric. The floor-length hem gives this dress effortless sophistication for a glamorous evening look. Complete the look for a formal party, wedding, or banquet with a statement ring set and a clutch.
Fit & Features
- Fitted long sleeves
- Sweetheart neckline, cowl pleating
- Corset bodice, flexible boning
- Strappy lace-up back
- Mermaid silhouette, high front slit, floor-length hem
- Soft velvet fabric, moderate stretch
- Any bra or lingerie accessory recommended
- Runs true to size
Style Number/Barcode: 05002-7610
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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Esmerelda Formal Crepe Strappy Mermaid Dress
Special Occasion
You'll be the talk of the night wearing the Esmerelda formal dress at school dances, black tie events, or banquets! She features a striking and sleeveless V-neckline, sleek bungee spaghetti straps that create the open strappy back design, and a flattering mermaid silhouette, high side slit, and floor-length hem. The formal dress is composed of a crepe fabrication with a stretchy knit lining. Complete the look in rhinestone heels and earrings for some glam!
Fit & Features
- Sleeveless V-neckline
- Bungee spaghetti straps, open strappy back design
- Back zipper and hook-eye closure
- Mermaid silhouette
- High side slit
- Floor-length hem
- Crepe fabrication, stretchy knit lining
- Runs true to size
Style Number/Barcode: 05002-6938
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Sale
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Reagan Formal Satin Low Back Mermaid Dress
Special Occasion
Your curves deserve a moment in the Reagan satin formal dress perfect for making a sultry entrance at award banquets and red carpet events! She features a sleeveless cowl neckline with a padded bust, adjustable spaghetti straps, a head-turning low back with a knot design, side ruched seams, and a figure-flattering mermaid silhouette that leads to the floor-length hem. The formal dress is composed of lined stretchy satin fabric with a luxe feel. Complete the look with a dainty lariat necklace and a clutch!
Fit & Features
- Sleeveless cowl neckline, padded bust
- Adjustable spaghetti straps
- Low back, knot design, side ruched seams
- Mermaid silhouette, floor-length hem
- Lined satin fabric, moderate stretch
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7877
Category Name: Long Wedding Guest Dresses
Price: $14.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Unforgettable Entrance Midi Dress
She walked in, and suddenly everyone’s paying attention. This off-the-shoulder dress hugs close with a sculpted fit that feels equal parts elevated and effortless.
Fit & Features
- Power mesh fabric, sewn-in knit stretchy lining
- Off-the-shoulder neckline, non-slip grip lining
- Short-sleeve cuffs
- Back zipper and hook-eye closure
- Ruched bodycon midi silhouette
- Runs true to size
Style Number/Barcode: 05101-001118
Category Name: Long Wedding Guest Dresses
Price: $48.90
Availability: In Stock
Available Color: BLACK, SAGE
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
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Alice Formal Glitter Off The Shoulder Dress
Special Occasion
It's not a party til you arrive in the sparkly Alice formal dress showcasing all-over glitter! Shine and shimmer at school dances, red-carpet events, and galas. She features a sultry fold-over off-the-shoulder neckline, a corset-style bodice, and a form-hugging mermaid silhouette with a floor-length hem. The formal dress is composed of a glitter mesh fabric with a stretchy knit lining. Complete the look with statement hoop earrings for a dramatic flair!
Fit & Features
- Off-the-shoulder, fold-over neckline
- Back zipper closure, corset-style bodice
- Form-hugging, mermaid silhouette
- Floor-length hem
- Glitter mesh fabric, stretchy knit lining
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7103
Category Name: Long Wedding Guest Dresses
Price: $9.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Wylla Formal Sequin Mermaid Dress
Special Occasion
Grace the room with a sequin dress that makes an A-list-worthy entrance! Wylla features a sleeveless V-neckline with a built-in padded bust, tank-like shoulder straps, and an empire waist that leads to a flattering mermaid silhouette. Wylla features a gorgeous sequin pattern throughout that shines from all your best angles. The dress is composed of a lined mesh fabric that offers a form-hugging fit with minimal stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless V-neckline, tank shoulder straps
- Built-in padded bust
- Empire waist, back zipper closure
- Mermaid silhouette
- Floor-length hem
- Sequin mesh-lined fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2360
Category Name: Long Wedding Guest Dresses
Price: $24.97 $134.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Maya Formal One Shoulder Dress
Special OccasionDare to bare in our bold Maya dress! She features a classic black hue, a one shoulder neckline, an open back and an adjustable asymmetrical shoulder strap. Her open back is accented with a lovely twisted knot detail that rests on the lower back for a gorgeous detail! Her slim fit bodice leads to an elongating floor length silhouette. She is composed of a lined smooth knit fabric that offers a form hugging fit with a slight stretch.
Model is 5'6" with a 34" bust, 24" waist and 37" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6607
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Elliana Formal Sequin Mermaid Dress
Special Occasion
Designed to draw all the attention, the Elliana formal sequin mermaid dress is a perfect pick for prom or other fancy affairs. She features a sleeveless V-neckline, adjustable spaghetti straps for a customized fit, a slim-fit bodice that continues through the waist, and a floor-sweeping hem with a gorgeous mermaid silhouette. The knit fabric features an intricate sequin-embroidered scroll design that will catch the light at the center of the dance floor. Complete your look with a rhinestone lariat necklace.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Padded bust, back zipper and hook-eye closure
- Slim-fit bodice and waist
- Floor-sweeping hem, mermaid silhouette
- Sequin-scroll embroidery, mesh fabric, stretchy knit lining
- Strapless or sticky bra optional
- Runs true to size
Style Number/Barcode: 05002-6885
Category Name: Long Wedding Guest Dresses
Price: $59.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mona Off-Shoulder Slit Mermaid Formal Dress
Special Occasion
The Mona off-shoulder formal dress is elegance reimagined that commands attention with a flattering mermaid silhouette and high side slit for effortless allure!
Fit & Features
- Smooth knit fabric, stretchy knit lining, moderate stretch
- Strapless neckline, off-the-shoulder strap
- High side slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black-tie galas, fancy dinner parties, and engagement parties.
Style Number/Barcode: 05002-9556
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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Chelsea Cowl Neck Lace-Up Mermaid Glitter Dress
Special Occasion
Light-catching glitter will catch every eye when you arrive in the Chelsea long formal dress at prom or sweet sixteens! Capture the shimmer of this gorgeous glitter dress featuring a flattering cowl neckline, padded bra cups for support, and spaghetti straps that shape the open lace-up back giving you a sultry exit. The mermaid silhouette accentuates your curves while the floor-length hem lends sophistication. Complete the look with a stunning necklace and earrings set.
Fit & Features
- Glitter fabric lined with stretchy knit
- Padded bra cups
- Spagehtti straps
- Lace-up
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-7978
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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Cassidy Formal Cowl Neck High Slit Dress
Special Occasion
Make a glamour entrance with a dress that captivates from the moment you enter the room. Cassidy features a sleeveless cowl neckline, sleek spaghetti straps, and a satin bodice. The relaxed fit bodice leads to a floor-length crepe skirt accented with a high side slit. Complete your look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless cowl neckline
- Satin bodice
- Spaghetti straps
- Crepe skirt
- High side slit
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1269
Category Name: Long Wedding Guest Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Audrey Formal Ruffled One Shoulder Dress
Special Occasion
Timeless with an eye-catching twist, the Audrey long formal dress is ready to make your acquaintance for banquets, ceremonies, and black-tie events. She features a striking sleeveless one-shoulder neckline, a bonded ruffled design for a structured look, a flattering mermaid silhouette, and a bonded ruffled long-length hem. The formal dress is composed of a sleek scuba knit fabric with plenty of stretch. Complete the look with a clutch and stiletto pumps.
Fit & Features
- Sleeveless one-shoulder neckline, bonded ruffled design
- Mermaid silhouette
- Bonded ruffled long hem
- Sleek scuba knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-4037
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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Heidi Satin Mermaid Formal Dress
Special Occasion
Designed for candlelit receptions and grand entrances alike, the Heidi satin mermaid gown moves with an effortless sense of polish. A cowl pleated padded neckline, ruched side seams, and a front slit create a silhouette that feels refined, confident, and unforgettable.
Fit & Features
- Stretch satin fabric, sewn-in lining with stretch
- Cowl pleated padded neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette with ruched side seams
- Front slit for ease of movement
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, candlelit ballroom galas, special dinners, upscale hotel venue celebrations, formal anniversary parties, milestone birthday events, black tie seasonal soiree, formal dances
Style Number/Barcode: 05002-000667
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: ROYAL
Available Size: XS
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All Eyes Lace Trim Mermaid Maxi Dress
This dress is pure drama in the best way. The deep V lace bodice sets a sultry tone, while the smooth, body-hugging fit flows into a sleek mermaid hem that moves with you. Perfect for dressy occasions and special date nights.
Fit & Features
- High-stretch fabric for a flexible fit
- Spaghetti straps with adjustable lace-up back
- Plunging V-neckline with lace trim
- Sheer mesh overlay with smooth knit lining
- Mermaid silhouette with floor-length hem
- Runs true to size
Style Number/Barcode: 05101-001242
Category Name: Long Wedding Guest Dresses
Price: $39.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, M
- High-stretch fabric for a flexible fit
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Candice Cutout Strappy Mermaid Glitter Formal Dress
Special Occasion
Captivate in the Candice mermaid glitter formal dress to strike the perfect shimmer at prom, birthdays, or fancy celebrations! Made of glitter crepe knit fabric, this floor-length dress will make you shine at any formal event. The sleeveless square neckline and spaghetti straps add a touch of elegance to the cutout strappy bodice, while the mermaid silhouette and high front wrap slit create a flattering shape. Complete the look in high heels.
Fit & Features
- Glitter crepe fabric lined with stretchy knit
- Spaghetti straps, square neckline
- Cutout strappy bodice
- High front wrap slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8467
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free