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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Brianna Strappy Back Mermaid Crepe Formal Dress
Special Occasion
The sleek Brianna crepe formal dress features sexy details worth showing off at black-tie soirees or weddings! A square neckline and adjustable spaghetti straps highlight your figure while the strappy back with hook-eye fasteners secures the look of sophistication. The padded bra cups offer support while the mermaid silhouette, high front slit, and floor-length hem exude chic and accentuate your curves. Complete the look with a dainty bracelet and rhinestone heels for sparkle!
Fit & Features
- Crepe fabric, bust knit lining, plenty of stretch
- Padded bra cups
- Adjustable spaghetti straps
- Strappy back, hook-eye fasteners, zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8283
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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Samaria Lace Up Slim Crepe Formal Dress
Special Occasion
Have an unforgettable evening in the Samaria crepe formal dress! The corset-inspired bodice and lace-up back create a curve-hugging silhouette, while the high front wrap slit along the long-length hem flaunts some skin.
Fit & Features
- Crepe fabric, moderate stretch
- Adjustable spaghetti straps
- Padded bra cups
- Lace up, back zipper and hook-eye closure
- High front wrap slit
- Curve-hugging silhouette
- Runs true to size
Where to Wear:
Homecoming, weddings, black tie galas, birthdays, red carpet occasions, date nights, formal cocktail parties
Style Number/Barcode: 05002-8200
Category Name: Long Wedding Guest Dresses
Price: $49.90
Availability: Out of Stock
Product Badge:- Ships Free
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Floral Stunner Ruched Maxi Dress
You'll be quite the stunner in this floral ruched maxi dress! Its stretchy knit fabric will hug and flatter your curves beautifully!
Fit & Features
- Spaghetti straps | Cross back
- V neckline
- Center ruched detailing
- Front slit
- Stretchy knit fabric
- Floral print
Style Number/Barcode: 05101-0073
Category Name: Long Wedding Guest Dresses
Price: $9.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Elara Off Shoulder Slit Mermaid Formal Dress
Special Occasion
Designed for evenings that call for quiet drama, the Elara gown moves with a sculpted elegance that feels both modern and timeless. The off-the-shoulder neckline and mesh long sleeves frame the silhouette beautifully, while the fitted mermaid shape brings a polished, unforgettable finish.
Fit & Features
- Stretch mesh fabric with smooth lining
- Off-the-shoulder neckline with sheer long sleeves, padded bra cups
- Structured corset-style seaming through the bodice
- Back zipper and hook-eye closure
- Wrap-style high front slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie events, holiday parties, winter formals, upscale ballroom receptions, charity dinners, anniversaries, big birthday events, fancy cocktail parties
Style Number/Barcode: 05002-000564
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
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Lucena Convertible Mermaid Formal Dress
Special Occasion
The Lucena mermaid formal dress offers endless styling options to suit your mood for any formal occasion! The dress boasts a convertible style neckline that can be worn as a halter, one shoulder, and more plus has a high front slit for effortless movement.
Fit & Features
- Smooth knit lined fabric
- Convertible neckline with straps
- High front slit
- Mermaid silhouette
- Floor-length hem
- Multiple styling options
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black-tie gala, fancy dinner parties, formal occasions and events
Style Number/Barcode: 05002-000066
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Angela Formal Satin One Shoulder Long Dress
Special Occasion
All the glamour and sophistication! The Angela formal satin dress is a chic option for your next red carpet-event or bridesmaids. She features a sleeveless one-shoulder neckline with dual sleeve cuffs that shape the overlay bust, a form-hugging silhouette, and an asymmetrical long hem with a stunning side slit. The formal dress is composed of a silky satin fabric that gives off a luminous sheen. Complete the look in clear strap platform heels for a seamless-chic style!
Fit & Features
- Sleeveless one-shoulder neckline
- Dual sleeve cuffs, overlay along bust
- Form-hugging silhouette
- Asymmetrical long hem, high side slit
- Silky satin fabric, knit lining at the bust, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7021
Category Name: Long Wedding Guest Dresses
Price: $29.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Robina Lace-Up A-Line Floral Satin Formal Dress
Special Occasion
Beautifully constructed from satin fabric with a floral print, the Robina A-line formal dress radiates spring vibes like no other! Boasting a charming lace-up back and high front slit for effortless movement along the graceful floor-length hem.
Fit & Features
- Floral print, premium satin fabric with woven lining
- Cowl neckline, adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Hidden side pockets, high front slit
- A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, fancy tea parties, and big milestone celebrations.
Style Number/Barcode: 05002-9004
Category Name: Long Wedding Guest Dresses
Price: $109.90
Availability: Out of Stock
Product Badge:- Ships Free
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Amalia High Slit Floral Satin Mermaid Dress
Special Occasion
Captivate and give off a romantic allure at your next formal party in the Amalia high slit floral satin mermaid dress. The silky satin-knit fabric is accented with a blooming floral print to capture that soft feminine feel. She is shaped with a sleeveless sweetheart neckline with a built-in padded bust, dainty tie-shoulder spaghetti straps, and a secure back zipper closure. Her fitted high waist leads to a floor-length mermaid silhouette to hug your curves featuring a high-cut side slit to showcase some leg. Complete your look with a classic clutch and block heels.
Fit & Features
- Floral printed satin knit fabric with knit lining, moderate stretch
- Sweetheart neckline, padded bust
- Tie-shoulder spaghetti straps
- Back zipper with hook and eye closure
- High slit
- Mermaid fit
- Runs true to size
Style Number/Barcode: 05002-8141
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Norma Formal Velvet Floral Lace-Up Mermaid Dress
Special Occasion
Searching for the perfect party dress? The Normal formal long dress is sure to stand out on any occasion! She features a V-neckline with spaghetti straps that formal the strappy lace-up open-back design, a flattering mermaid silhouette, and a high front slit to show some leg along the floor-length hem. The formal maxi dress is crafted with a flocked velvet floral pattern on mesh fabric for a unique yet sophisticated style. Complete the look with a glam necklace for a banquet, gala, or wedding!
Fit & Features
- Sleeveless V-neckline, spaghetti straps
- Strappy lace-up open-back
- Back zipper and hook-eye closure
- Mermaid silhouette, high front slit, floor-length hem
- Flocked floral velvet pattern, mesh fabric, knit lining
- Minimal stretch
- Runs true to size
Style Number/Barcode: 05002-7720
Category Name: Long Wedding Guest Dresses
Price: $24.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Marcie Formal Crepe Short Sleeve Mermaid Dress
Special Occasion
Feel glamorous and stylish in the Marcie formal crepe dress to make a lasting impression at banquets or fancy soirees! She features a square neckline, short puff sleeves, and a curve-hugging mermaid silhouette that drapes elegantly to the floor-length hem. This dress is crafted with a crepe knit fabric with plenty of stretch so you can move comfortably. Complete the look with faux pearl earrings and a clutch.
Fit & Features
- Short puff sleeves, square neckline
- Back zipper closure
- Curve-hugging mermaid silhouette
- Floor-length hem
- Crepe knit fabric, moderate stretch, bust lining
- Regular bra or lingerie accessories recommended
- Runs true to size
Style Number/Barcode: 05002-7433
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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Jane Formal Velvet Off-The-Shoulder Dress
Special Occasion
Luxurious velvet fabric on the Jane maxi formal dress will bring romance to your fancy night! She features an off-the-shoulder, folded neckline for a sophisticated charm, short-sleeve cuffs, a flattering mermaid silhouette, a high front slit to flaunt some skin, and floor-length hem. The formal long dress is crafted from a luxe velvet knit fabric offering plenty of stretch. Complete the look and style the long dress with glitter platform heels and earrings for a red carpet event.
Fit & Features
- Off-the-shoulder, folded neckline
- Back zipper and hook-eye closure
- Mermaid silhouette
- High front slit, floor-length hem
- Velvet knit fabric, moderate stretch
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7388
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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Jaycee Formal Satin Corset Mermaid Dress
Special Occasion
With a glam silhouette, a gorgeous bodice, and silky satin fabric the Jaycee formal dress truly shines for all to admire! She features a sleeveless sweetheart neckline, adjustable spaghetti straps, a pleated and padded bust, a corset bodice that snatches your figure with flexible boning inserts, and a mermaid silhouette with a graceful floor-length hem. The formal dress is crafted from a luxe satin fabric with a subtle sheen and moderate stretch. Complete the look with fringe earrings for a banquet dinner or gala event!
Fit & Features
- Sleeveless sweetheart neckline, adjustable spaghetti straps
- Pleated and padded bust
- Corset bodice, flexible boning, back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Silky satin, subtle sheen, moderate stretch, bust lining
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7352
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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Trisha Formal Glitter Strapless Long Dress
Special Occasion
You'll be the life of the party in the glowing Trisha formal long glitter dress designed to bring the shine factor to every event! She features a strapless neckline, a padded bust, a slim curve-hugging silhouette, and a sultry front slit on the long hem. The formal dress is composed of a stretchy glitter knit fabric. Complete the look with teardrop earrings and a clutch.
Fit & Features
- Strapless neckline, padded bust
- Slim curve-hugging silhouette
- Front slit, long hem
- Stretchy glitter knit fabric
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7180
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jackie Formal Sequin Open Back Dress
Special Occasion
Sparkly sequins make the Jackie formal dress a stunning standout for weddings or galas! She shimmers in a sleeveless square neck, sleek spaghetti straps, and a revealing open back with two straps and four hook-eye closures. Her flattering mermaid silhouette effortlessly leads to the floor length with a high front slit. The formal dress is composed of a sequin-knit mesh fabric with a stretchy knit lining. Complete the look in bold stiletto heels.
Fit & Features
- Sleeveless square neck, spaghetti straps
- Open-back, two straps, four hook-eye closures
- Back zipper and hook-eye closure
- Mermaid silhouette, high front slit, floor-length hem
- Sequin-knit mesh fabric, stretchy knit lining
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6933
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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Melanie Sleeveless Cutout Mermaid Dress
Special Occasion
Showcase a sultry bold look in the stunning Melanie sleeveless mermaid dress. She features spaghetti straps, a double twist-front design with a sweetheart neckline and dual front cutouts, and a floor-sweeping fitted mermaid silhouette. Style this dress with neutral strappy heels and sleek hoop earrings.
Fit & Features
- Sleeveless, sweetheart neckline, spaghetti straps
- Strapless or adhesive bra recommended
- Dual twist-front design, cutout bodice
- Back zipper closure
- Form-hugging, mermaid silhouette
- Floor-length hem
- Sheen knit fabric, lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2037
Category Name: Long Wedding Guest Dresses
Price: $19.97 $56.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Dalilah High Slit Sequin Dress
Special Occasion
Shine on like the goddess you are in our Dalilah sequin dress! She elevates the evening with her elegant scroll print pattern and showcases curves with her mermaid silhouette! Pair her with dangling rhinestone earrings for a sophisticated look!
Fit & Features
- Off The Shoulder Neckline
- Wired V-Neck Bust | Padded Cups
- Off The Shoulder Strap Accents
- Sequin Scroll Print
- Lined Mesh Fabric
- Mermaid Silhouette | High Side Slit
- Form Hugging Fit | Minimal 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: 05002-0836
Category Name: Long Wedding Guest Dresses
Price: $47.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jade Lace-Up Mermaid Glitter Formal Dress
Special Occasion
With the sparkling Jade glitter formal dress, you'll be more than ready to shine on the dance floor at fancy birthday celebrations or parties! Made with luxurious glitter fabric lined with stretchy knit for comfort. Featuring a square neckline, spaghetti straps, and padded bra cups for a flattering silhouette. The lace-up back adds a touch of elegance, while the mermaid silhouette and floor-length hem create a dramatic look. Complete the look with a clutch and heels.
Fit & Features
- Glitter fabric lined with stretchy knit
- Square neckline
- Spaghetti straps
- Padded bra cups
- Lace-up back
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8573
Category Name: Long Wedding Guest Dresses
Price: $15.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mollie Sequin Bead Column Formal Dress
Special Occasion
Designed for evenings that call for quiet drama, the Mollie gown moves with a refined, light-catching allure. A V-neckline and lace-up open back frame the silhouette, while the column floor-length hem and center back slit create an elegant finish.
Fit & Features
- Sequin, beaded, embellished, mesh-lined fabric
- V-neckline, spaghetti straps
- Lace-up open back design
- Form-hugging column floor-length silhouette
- Center back slit for movement
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal dances, upscale seasonal soirees, red-carpet occasions, award nights, elegant evening receptions, milestone celebrations, anniversaries, special date nights
Style Number/Barcode: 05002-000718
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Kadia Formal Satin Rhinestone Mermaid Dress
Special Occasion
Capture the attention in the Kadia formal satin dress and steal the scene at the school dance or black tie soiree! She features a sleeveless V-neckline, adjustable spaghetti straps, an eye-catching lace-up back design, and a flattering mermaid silhouette that leads her floor-length hem with a high front slit. The formal dress is designed with sparkly rhinestone embellishments on the silky satin fabric to give you a luxe feel! Complete the look with a rhinestone clutch.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Mermaid silhouette, high front slit, floor-length hem
- Rhinestone embellishments
- Silky satin fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7083
Category Name: Long Wedding Guest Dresses
Price: $9.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Delilah V-Neck Slit Bodycon Formal Dress
Special Occasion
Sultry and sophisticated, the Delilah long formal dress is everything you need to make a statement! Designed to capture attention, this V-neck dress boasts a high slit for a show of leg and a bodycon silhouette that puts your curves on display.
Fit & Features
- Slinky smooth knit-lined fabric, moderate stretch
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- High slit
- Bodycon silhouette
- Long-length hem
- Runs true to size
Where to Wear:
Formal weddings and dinner parties, fancy date nights
Style Number/Barcode: 05002-9424
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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Emberly Mesh Mermaid Formal Dress
Special Occasion
Softly romantic with just the right amount of allure, the Emberly mesh mermaid gown is made for your slow-motion entrance. The ruffle-trim neckline adds a delicate, feminine touch, while the open back with tie brings an unexpected finish that feels equal parts effortless and elevated. It’s the kind of look that makes every RSVP feel like a moment.
Fit & Features
- Mesh fabric lined with knit
- Ruffle-trim scoop neckline and adjustable straps
- Open back with tie, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, spring galas, shower celebrations, engagement parties, formal garden parties, dressed-up occasions
Style Number/Barcode: 05002-000991
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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Rosie Formal Chiffon Floral Ruffled A-Line Dress
Special Occasion
The Rosie formal floral dress combines bohemian style with romantic vibes perfect for shifting into autumn events and occasions! She features a sweetheart neckline adorned with ruched spaghetti straps, a padded bust, and a flattering A-line silhouette with a lovely tiered ruffled long hem with a flirty slit. The formal dress is designed with a blooming floral print on airy chiffon fabric with a smooth woven lining. Complete the look with sleek hoop earrings for weddings, banquets, and dressy birthdays!
Fit & Features
- Sleeveless sweetheart neckline, padded bust
- Ruched spaghetti straps
- Back zipper and hook-eye closure
- A-line silhouette
- Tiered ruffled long hem, front slit
- Blooming floral print, airy chiffon fabric, smooth woven fabric
- Runs true to size
Style Number/Barcode: 05002-7702
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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Alyssa Formal Sequin X-Back Dress
Special Occasion
Give the room chills when you walk in wearing the Alyssa formal dress designed to enchant everyone who looks! She features a sleeveless, square cowl neck, bungee spaghetti straps, and a sultry open-back with cross straps. Her form-fitting silhouette showcases your curves and shows some skin in her front slit along the floor-length hem. The formal dress is composed of a sequin-knit fabric with lining and minimal stretch. Complete the look in chic heels for a formal event.
Fit & Features
- Sleeveless, square cowl neck, bungee spaghetti straps
- Lightly padded cups, adhesive bra recommended
- Open-back, cross straps, zipper closure
- Form-fitting silhouette
- Front slit, floor-length hem
- Sequin-knit, lined, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2354
Category Name: Long Wedding Guest Dresses
Price: $14.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Veda Cutout Long Sleeve Column Formal Dress
Special Occasion
Serve chic style at your next formal affair in the Veda dress designed with lined knit fabric offering a smooth look with plenty of stretch. It features a crew neckline with a chic twist-front accent, a sultry cutout above the bust, long fitted sleeves, a bold open back that will turn heads, and a high-cut front slit along the floor-length fitted column silhouette.
Fit & Features
- Lined smooth knit fabric with plenty of stretch
- Crew neckline with twist-front design, cutout above the bust, underbust seam
- Long fitted sleeves
- Open back
- High front slit
- Floor-length fitted column silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie events, rooftop parties, formal dinners, and fancy date nights.
Style Number/Barcode: 05002-8760
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale