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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MOST POPULARStunning Long Wedding Guest Dresses For Fall & Winter Events
Make an unforgettable entrance with Windsor’s long wedding guest dresses, designed for those who want to captivate from the moment they arrive. From flowing maxi dresses to form-fitting mermaid and trumpet styles, our long guest dresses offer silhouettes that flatter every body type. Unique details like faux pearl beading, rhinestone embellishments, and satin trims elevate each dress, making them perfect for fall or winter weddings where elegance is key.
Picture yourself gliding across a candlelit venue in a floor-length gown with an alluring high front slit, or standing out in a rhinestone-embellished dress with delicate adjustable ties. For semi-formal events, choose a simpler design without too many embellishments, or go for a lightweight fabric like chiffon or crepe. These luxurious touches make Windsor’s long wedding guest dresses the perfect choice for formal or black-tie weddings. Whether you prefer a timeless satin gown or an asymmetrical design with a contemporary twist, our collection has something for every style. Find your perfect fit and step into the season with confidence.
What are the best silhouettes for a long wedding guest dress?
Popular silhouettes include mermaid, column, trumpet, and asymmetrical designs. These shapes provide different fits, from form-fitting and dramatic to flowy and relaxed. Shop Windsor's complete collection of wedding guest dresses to find your perfect fit.
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Joules Formal One-Shoulder Crepe Dress
Special Occasion
Step into sophistication and elegance with this one-shoulder formal dress, perfect for your next gala, black-tie wedding, or prom. This floor-length dress is made with matte crepe fabric exuding a sleek and modern aesthetic that enhances the clean lines of the asymmetrical neckline. The built-in padded cups ensure a flawless appearance, while the side ruching artfully accentuates the waistline and curves. Complement this formal contemporary look with ankle strap platform heels accented with faux pearls or rhinestones for a touch of glam.
Fit & Features
- One-shoulder neckline, tank shoulder strap
- Padded cups
- Ruching, high side slit
- A-line silhouette
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-0952
Category Name: Long Wedding Guest Dresses
Price: $29.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alexia Formal High Slit Illusion Dress
Special Occasion
Create a captivating moment with a formal dress that brings elegance to your evening soirees! Alexia features a sleeveless V-neckline with a padded bust, adjustable spaghetti straps for a customized fit, a contrast sheer mesh bodice, ruching, and a floor-length A-line silhouette with a high slit. The formal dress is composed of a lined crepe fabric with a moderate stretch. Complete the look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Padded bust, no bra required
- Contrast illusion sheer mesh bodice
- Back zipper, hook and eye closure
- Floor-length A-line silhouette, high slit
- Lined crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1358
Category Name: Long Wedding Guest Dresses
Price: $29.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Adora Formal One-Shoulder Ruched Dress
Special Occasion
An elegant formal long dress that captivates! The Adora floor-length dress features a one-shoulder neckline, ruching throughout, a high side slit, and a wrap-styled silhouette. The dress is composed of a smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels and a tennis bracelet.
Fit & Features
- One-shoulder neckline
- Strapless or sticky bra recommended
- Ruching
- High side slit
- Wrap-styled silhouette
- Smooth knit fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-6999
Category Name: Long Wedding Guest Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
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Denali Formal Puff Sleeve Long Dress
Special Occasion
Denali has some sexy details worth showing off at prom! She features flirty puff sleeves, a square neck, and a form-fitting bodice that leads to an open back with lace-up closure. Her elegant long mermaid silhouette effortlessly shapes your curves while showcasing some skin with the front, high-cut slit. The formal dress is composed of lined crepe fabric with a moderate stretch. Finish your prom look in rhinestone stiletto heels.
Shop Velvet Version: Claudia Formal Velvet Slit Mermaid Dress
Fit & Features
- Puff sleeves, square neck, form-fitting bodice
- Open-back, lace-up
- Mermaid silhouette
- Front high-cut slit
- Long-length hem
- Lined crepe fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-2232
Category Name: Long Wedding Guest Dresses
Price: $46.00 $64.90
On Sale: Yes
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
Product Badge:- Sale
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Ella Cowl Neck Satin Dress
Special Occasion
Enchant the room instantly in this gorgeous floor-length gown! Ella features a stunning sleeveless cowl neck, flattering high slit, and sleek spaghetti straps. She is composed of a lined satin stretch fabric that offers a form-hugging fit with a moderate stretch. Wear with sparkling earrings and metallic heels for a truly glam look.
Fit & Features
- Cowl neck, sleek spaghetti straps
- Form-fitting silhouette, high-side slit
- Floor-length hem
- Subtle shine satin fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1352
Category Name: Long Wedding Guest Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
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Lila Formal Open-Back Sequin Mermaid Dress
Special Occasion
Bring dazzle and shine to your evening with a prom dress that radiates elegance. The dress features a sleeveless V-neckline, sleek spaghetti straps, a multi-cross-strap design, sparkling sequins set in an intricate damask pattern, and a mermaid silhouette. The dress is composed of a lined mesh-knit fabric that offers a form-hugging fit with slight stretch. Complete your prom look with rhinestone heels and a clutch.
This dress is the perfect pick for Prom 2023! Not exactly your style? You’ll love other prom dresses.
Fit & Features
- Sleeveless V-neckline, padded cups
- Spaghetti straps
- Multi-cross-strap back design
- Sequins, damask print
- Mermaid silhouette
- Lined mesh-knit fabric, form-hugging fit, minimal stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1746
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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Winslow Formal Satin Lace-Up Dress
Special Occasion
The Winslow is absolute perfection! Gracefully glide into prom in this satin formal dress featuring a sleek, sleeveless, cowl neck and adjustable spaghetti straps atop a form-fitting bodice that leads to her open back with a lace-up closure. Plus, she has convenient hidden side pockets to keep your hands warm. Feel effortless in her floor-length hem with a front slit perfect for flaunting a glam pair of heels. The formal dress is composed of smooth satin with lining and no stretch.
Fit & Features
- Sleeveless, cowl neck, adjustable spaghetti straps
- Form-fitting bodice, open-back, lace-up closure
- Back zipper closure, hidden side pockets
- A-line silhouette, floor-length hem
- Smooth satin, lined, no stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7869
Category Name: Long Wedding Guest Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sam Formal Satin Open Back Dress
Special Occasion
Slip into this silky satin number! Sam is here for you and your next dressy affair. She features a sleeveless, plunging V-neckline, a built-in padded bust, and wide shoulder straps that lead to her open-back design with lace-up straps, a zipper closure, and bum ruching. Her form-fitting, A-line silhouette hugs your curves while the side slit accent lets you showcase some leg on the floor-length hem. The formal dress is composed of a luxe satin-stretch fabric with lining. Complete the look with an elegant hair comb to tame your tresses in style.
Fit & Features
- Sleeveless, plunging V-neckline, wide shoulder straps
- Open-back, lace-up straps, zipper and hook and eye closure, bum ruching
- Form-fitting, A-line silhouette
- Side slit accent, floor-length hem
- Satin-stretch fabric, lined
- No bra required, built-in padded bust
- Runs true to size
Style Number/Barcode: 05002-8450
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: NAVY
Available Size: 5, 7, 9
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Layci Formal High Slit Dress
Special Occasion
Create a memorable impression in our breathtaking Layci dress! She features a straight off-the-shoulder neckline with a fold-over accent and princess seams. Her slim-fit bodice leads to an elongating floor-length silhouette that is accented with a high side slit to showcase your glam heels! The dress is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look with a sleek clutch.
Fit & Features
- Off-the-shoulder neckline, fold-over design
- Slim-fit bodice, princess seams
- Form-hugging silhouette
- Floor-length hem, high-cut slit
- Crepe fabric, sewn-in lining, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6795
Category Name: Long Wedding Guest Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Savannah Formal Crepe Long Dress
Special Occasion
Stunning for brides and celebrations, the Savannah formal crepe dress showcases simplicity and elegance! She features a classic sleeveless square neckline, tank-style straps, a form-hugging silhouette, and a sultry front high-cut slit along the floor-length hem. The long formal dress is composed of a stretch crepe-lined fabric. Style with a glamorous necklace and earrings set to complete the look!
Fit & Features
- Sleeveless square neckline, tank-style straps
- Back zipper and hook-eye closure
- Form-hugging silhouette
- Front high-cut slit
- Floor-length hem
- Lined crepe fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6919
Category Name: Long Wedding Guest Dresses
Price: $49.90
Availability: In Stock
Available Color: BLACK, RED
Available Size: XS, S, M, L
Product Badge:- Best Seller
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Celina Glitter Knit Mermaid Dress
Special Occasion
Turn heads and make a sparkly statement in the stunning Celina dress! She features a sleeveless cowl neckline, spaghetti straps that lead to a cross-back design, front ruched detailing, and a floor-length mermaid silhouette with a thigh-high slit. Complete the look with rhinestone statement earrings and chic heels.
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps, cross-back design
- Front ruching
- Floor-length mermaid silhouette, high front slit
- Curve-hugging fit
- Glitter knit fabric, short knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1718
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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Arabella High Slit Cowl Neck Dress
Special Occasion
Radiate elegance in this long formal dress made with a high-shine, smooth fabric. Designed to hug your curves, this floor-length bodycon dress accentuates an hourglass figure for a simply irresistible look. A sultry side slit elegantly elongates the legs, while the dress impresses from every angle with its low-back design. The flattering cowl neckline at the front creates the perfect display for a sparkly rhinestone necklace so your gorgeous selfies pop and shine.
Fits & Features
- Sleeveless cowl neckline, spaghetti straps, cross at back
- A-line silhouette, ruched detailing
- High side slit
- Smooth knit fabric
- Form-hugging fit, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-3012
Category Name: Long Wedding Guest Dresses
Price: $46.90
Availability: In Stock
Available Color: PURPLE
Available Size: XS, S
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Valencia Formal Off-The-Shoulder Wrap Dress
Special Occasion
Keep it sophisticated with a formal long dress that creates a moment to remember! Valencia features an off-the-shoulder neckline with a sweetheart bust, arm cuffs, and a mermaid silhouette with a wrap hem, and pleating. The maxi dress is composed of a form-hugging smooth satin knit fabric that offers a minimal stretch. Complete your dressy outfit with rhinestone heels and door-knocker earrings.
Fit & Features
- Off-the-shoulder neck, sweetheart bust, arm cuffs
- Lightly padded cups, strapless or sticky bra recommended
- Pleated empire waist, form-hugging
- Mermaid wrap silhouette
- High-cut front slit, floor-length hem
- Silky satin fabric, lined, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-7492
Category Name: Long Wedding Guest Dresses
Price: $24.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Abigail Ruched Satin Mermaid Dress
Special Occasion
Get a stunning look in the gorgeous and chic Abigail mermaid dress! She features a sleeveless bodice, adjustable spaghetti straps that lead to a cross-back design, a V-neckline, and a sheer lace back panel with zipper closure. Her high waist leads to a curve-hugging mermaid silhouette with a floor-length skirt, front ruched detailing, and a thigh-high front slit. Pair the sleek satin dress with a rhinestone collar necklace and strappy heels.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Back zipper and hook and eye closure, sheer lace panel, cross straps
- Ruched detailing on bodice and waist, thigh-high slit
- Form-fitting long hem, mermaid silhouette
- Luxe satin knit fabrication
- Form-hugging fit, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1198
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 One Shoulder Dress
Special Occasion
Bring the elegance in our Janie dress that reflects glamour for your next special evening. She features a sleek one-shoulder neckline, a ruched bodice, a high waist seam, and a floor-length skirt with a sexy high side slit and ruched detailing. The dress is composed of a comfortable knit fabric with a moderate stretch. Complete your stunning evening outfit with rhinestone earrings and strappy stiletto heels.
Fit & Features
- One-shoulder neckline | Tank strap
- Adhesive bra recommended
- High side slit with ruched seam
- Floor-length silhouette
- Sleek knit lined fabric
- Fits true to size | Moderate stretch
Style Number/Barcode: 05002-1020
Category Name: Long Wedding Guest Dresses
Price: $19.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mayven One-Shoulder Cutout Slit Formal Dress
Special Occasion
The Mayven formal dress brings sultry, sophistication to every event! She features a one-shoulder strap design with an alluring neck cutout detail on the fitted bodice. The empire waist flows into her floor-length silhouette and flaunts some skin with a sexy high-cut slit. Composed of a crepe knit fabric with a moderate stretch. Create the perfect look in this long dress with lace-up heels and a sparkly necklace.
Fit & Features
- One-shoulder strap design, neck cutout detail
- Empire waist, high-cut slit
- Floor-length hem
- Lined crepe knit fabric
- Form-hugging fit, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1881
Category Name: Long Wedding Guest Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Bethanie Formal Sequin V-Neck Mermaid Dress
Special Occasion
Embellished with light-catching sequins, the Bethanie formal dress is a clear stunner for prom or red-carpet events! She features a sleeveless V-neckline with a padded bust eliminating the need for a bra, spaghetti straps, a lace-up back, and a flattering mermaid silhouette with a floor-length hem. The formal dress is composed of a sequin-scroll pattern on mesh fabric with a stretchy knit lining. Complete your dressy look with earrings and a bracelet for extra glimmer!
Fit & Features
- Sleeveless V-neckline, padded bust
- Lace-up back, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Sequin-scroll pattern, mesh fabric, stretch knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-7735
Category Name: Long Wedding Guest Dresses
Price: $109.90
Availability: In Stock
Available Color: ROYAL, PLUM, YELLOW
Available Size: M, XS, S, L
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Evanna Formal Crepe Ruched Dress
Special Occasion
Bring the look that will garner a second look with our Evanna formal dress! She features a sleeveless bodice, a plunging V-neckline, padded cups, vertical princess seams at the bust, and adjustable spaghetti straps. Her slim-fit bodice leads to a curve-hugging floor-length silhouette with a ruched accent and high side slit. The long dress is composed of a lined crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look with a sphere clutch and a faux fur wrap.
Fit & Features
- Sleeveless V-neckline
- Padded cups, vertical princess seams
- Adjustable spaghetti straps
- A-line silhouette
- Ruching, high side slit
- Lined crepe fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-0252
Category Name: Long Wedding Guest Dresses
Price: $19.97 $46.90
On Sale: Yes
Availability: Out of Stock
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Saylor Formal Double Slit Tulle Dress
Special Occasion
Captivate in our dreamy Saylor formal dress that stuns from the moment you enter the room. She is a perfect option for this prom season! She features a plunging V-neckline that you can accentuate with a lariat necklace, a pleated bodice, spaghetti straps, and a lace-up back for a customized fit. Her slim-fit bodice leads to a flowy, floor-length, A-line silhouette. She is composed of a tulle fabric that includes a full lining with double high slits for a sexy detail. Complete the look with door knocker earrings and glitter heels.
Fit & Features
- Plunging V-neckline, pleated bodice, spaghetti straps
- Adhesive pasties recommended
- Lace-up back design, tie closure
- Dual high slits
- Back zipper and hook and eye closure
- A-line silhouette
- Sheer tulle fabric with a knit lining, relaxed fit
- Runs true to size
Style Number/Barcode: 05002-1669
Category Name: Long Wedding Guest Dresses
Price: $14.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mara Crepe One Shoulder Gown
Special Occasion
Turn heads from every angle in a homecoming dress like the sleekly stunning Mara gown. She features a dramatic single-shoulder seamed bodice with scalloped lace insets at the back and waist, a side zip, and a body-hugging slim skirt that pools gently at the hem. Mara is made from a crepe material with moderate stretch. Complete the look with a rhinestone clutch and a faux fur wrap.Fit & Features
- One-shoulder neckline
- Scalloped lace inserts
- Sheer back
- A-line silhouette
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-6731
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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Meryl Formal Glitter Long Dress
Special Occasion
Stand out from the crowd in the shimmering Meryl glitter long dress sure to sparkle all night. She's prom-perfect and ready to stun in her alluring off-the-shoulder neckline atop a fitted bodice. Her high waist seam leads to a side ruched detail with a sultry side slit for showcasing some leg on a mermaid silhouette. The formal dress is composed of a glitter-knit lined fabric with a moderate stretch. Complete the look in an elegant hairpiece to tame your tresses in style.
Fit & Features
- Sleeveless, off-the-shoulder neckline
- Fitted bodice, high-waist seam
- Side ruched detail, slit accent
- Mermaid long silhouette
- Glitter-knit lined fabric, moderate stretch
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2126
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK, RED, DENIM
Available Size: XS, S, M, L, XL
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Heidi Formal Lattice Dress
Special Occasion
Allure them in the chic Heidi dress to make a head-turning impression at your next special event. The formal dress features a sleeveless plunging V-neckline, a built-in padded bust for comfortable support, and dual spaghetti straps. The straps lead to a bold open back to show off a hint of skin and sleek lattice straps that let you adjust the fit. The bodice of the dress leads to a floor-length mermaid silhouette that is complemented with vertical seams to streamline your shape. Complete your outfit with rhinestone earrings and strappy stilettos.
Fit & Features
- Sleeveless V-neckline, dual spaghetti straps
- Built-in padded bust, adhesive bra recommended
- Open back, lattice design, tie closure
- Empire waist, vertical seams
- Floor-length mermaid silhouette
- Luxe satin-lined fabric
- Moderate stretch
- Runs true to size
Style Number/Barcode: 05002-6105
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
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Michelle High-Slit Formal Dress
Special Occasion
For a sleek and chic look where all eyes will be on you, Michelle is a stylish choice! She features a sleeveless square neckline, spaghetti straps, an open back with lower back strap details, side ruching, and a fitted, floor-length silhouette with a sultry thigh-high side slit. Complete the outfit with embellished hoop earrings and clear heels.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Open back, lower back strap details
- Side ruching
- Floor-length, form-hugging fit
- High side slit
- Smooth stretchy knit fabric
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7453
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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Haisley Formal Tulle And Satin Dress
Special Occasion
Create a breathtaking entrance in our Haisley dress as you captivate with magical tulle and stunning satin! She features a sleeveless satin bodice, plunge V-neckline, adjustable spaghetti straps that shape the strappy back design, and an airy A-line tulle silhouette with a floor-length hem and high-front slit. The formal dress is composed of a stretchy lined satin and tulle fabric. Complete the look with rhinestone earrings and a clutch for a formal dinner party or wedding!
Fit & Features
- Plunging V-neckline, adjustable spaghetti straps
- Strappy back design, lower zipper and hook-eye closure
- Satin bodice, A-line tulle silhouette
- Floor-length hem
- Stretchy knit lining with a front high slit
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-0152
Category Name: Long Wedding Guest Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale