Summer Formal Dresses
Planning for a special occasion in the warmer seasons? Explore our collection of elegant summer formal dresses, perfect for destination weddings, birthday celebrations, and galas. Our breathtaking assortment includes formal maxis, A-line midi dresses, and stunning sequin cocktail dresses, perfect for any soiree. Accentuate your curves with a timeless mermaid gown accented with rhinestones or ruched to perfection in luxe satin. Or make a statement with our elegantly flowing A-line tulle dresses for dreamy ethereal vibes, perfect for a boho-style wedding. For those who love to intermix elegance with trend, consider dresses featuring alluring cut-outs, or dramatic ruffle tiers for a stand-out look.
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Summer Formal Dresses
Product Recommendations
Summer Formal Dresses That Steal the Spotlight
Make a stunning entrance with summer formal dresses designed for warm-weather celebrations. From weddings to military balls and rooftop soirées, Windsor’s dresses feature luxe fabrics, standout silhouettes, and trend-forward details made to impress.
Choose from sleek satin gowns, flowy chiffon maxis, and figure-flattering mermaid or A-line styles. Details like lace-up backs, halter necklines, and off-shoulder sleeves bring effortless elegance, while metallic fabrics, sequins, and floral prints add shine and charm.
Go bold in sunset hues or keep it classic in white, black, or blush. From tiered tea-length dresses to high-slit gowns with corset bodices, these styles move with you from ceremony to celebration.
Complete the look with strappy heels and radiant accessories, and let the dress do the talking.
Find your perfect match—shop Windsor’s summer formal dresses online, in-app, or at your nearest store.
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Catherine V-Neck Slit Mermaid Sequin Formal Dress
Special Occasion
Light up the night with a glamorous glow in the Catherine V-neck slit mermaid sequin formal dress at prom or fancy parties! Adorned with a mesmerizing sequin pattern on delicate mesh fabric, this dress features a flattering V-neckline, padded bra cups, adjustable spaghetti straps, and a low-back cut to show skin. The mermaid silhouette and high front slit create a stunning, floor-length design that will turn heads at any formal event! Compliment the look with statement earrings.
Fit & Features
- Sequin pattern, mesh fabric lined with stretchy knit
- Adjustable spaghetti straps
- Padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8001
Category Name: Summer Formal Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Petra Formal Iridescent Sequin Dress
Special Occasion
Make a dazzling entrance in a formal dress that enchants from the moment you enter the room of your special event! Petra features a plunging sleeveless V-neckline with a padded bust, corded spaghetti straps that lead to a lace-up back design, and iridescent sequins throughout. She is composed of a lined mesh fabric that offers a form-hugging fit with minimal stretch. Complete the look with a sphere clutch.
Fit & Features
- Sleeveless V-neckline, corded spaghetti straps
- Padded bust, no bra required
- Lace-up back design, lower back zipper closure
- Iridescent sequins
- Lined mesh fabric
- Form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-6870
Category Name: Summer Formal Dresses
Price: $9.97 $159.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sheryl Formal Floral Chiffon Ruffle Dress
Special Occasion
Get swept away into the dreamy romance of the Sherly formal dress showcasing a vibrant floral pattern perfect for outdoor weddings, garden parties, and formal soirees! She features a sleeveless sweetheart neckline with a padded bust, ruched elastic straps, and a ruffle-tiered A-line silhouette with a front slit and long hem. The special occasion dress is composed of an airy chiffon fabric with a stunning floral print and a smooth woven lining with no stretch. Complete the look with a beaded clutch and lace-up heels.
Fit & Features
- Sleeveless sweetheart neckline, padded bust
- Ruched elastic straps, back zipper and hook-eye closure
- Ruffled, tiered A-line silhouette
- Front slit, long hem
- Vibrant floral print, airy chiffon fabric, smooth woven lining
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7124
Category Name: Summer Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ayanna Formal Glitter Ruched Mermaid Long Dress
Special Occasion
Let your curves shine on the Ayanna formal glitter long dress perfect for black tie soirees! She features a stunning cowl neckline adorned with spaghetti straps, side ruched seams that accentuate your figure, a mermaid silhouette, and a graceful floor-length hem. Crafted from a glitter knit fabric that brings endless sparkle and has a stretchy lining. Finish the look with rhinestone bracelets for extra elegance!
Fit & Features
- Sleeveless cowl neckline, spaghetti straps
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Glitter knit fabric, stretchy knit lining
- Strapless bra recommended
- Runs true to size
Style Number/Barcode: 05002-8554
Category Name: Summer Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Ariella Formal High Slit Sequin Mermaid Dress
Special Occasion
Light up the night with a gorgeous dress that will bring the glamour! The Ariella formal dress will level up your look for prom or any fancy affair. She features a sleeveless V-neckline with a wrap-front design, a built-in padded bust, spaghetti straps, an alluring open back with cross-back, lace-up straps, a fitted bodice, a hip-hugging fit, a floor-sweeping hem with a wrap-front design creating a chic thigh-high side slit, and a mermaid silhouette. The all-over sequin embroidery will draw all eyes to you! Style with rhinestone fringe earrings.
Fit & Features
- Sleeveless V-neckline, wrap-front design, padded bust, spaghetti straps
- Open back, cross-back, lace-up straps, tie closure, lower back zipper closure
- Fitted bodice, hip-hugging fit
- Floor-sweeping hem, wrap-front design, high side slit
- Mermaid silhouette
- Sequin embroidery, lined knit fabric, moderate stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-3015
Category Name: Summer Formal Dresses
Price: $9.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Parker Formal Butterfly Embroidered A-Line Dress
Special Occasion
Look like you've stepped out of the pages of a fairytale book in the ethereal Parker formal butterfly dress - a whimsical boho-chic bridal style or an enchanting night at prom! She features a sleeveless plunge V-neckline, sleek adjustable spaghetti straps that cross along her open back, a surplice pleated bust, and a flattering A-line silhouette with a floor-length hem. The formal dress is designed with beautiful butterfly embroidery along the bodice and hem on airy mesh fabric and a stretchy knit lining with dual front slits. Complete the look with boho dangly earrings and heels.
Fit & Features
- Sleeveless plunge V-neckline, adjustable spaghetti straps
- Open back, cross straps, zipper and hook-eye closure
- Pleated and surplice bust, sticky bra recommended
- A-line silhouette, floor-length hem
- Butterfly embroidery along the bodice and hem
- Airy mesh fabric, stretchy knit lining with dual front slits
- Runs true to size
Style Number/Barcode: 05002-7068
Category Name: Summer Formal Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Hallie Rhinestone Satin High Slit Mermaid Dress
Special Occasion
Alluring with gorgeous glamour, the Hallie rhinestone satin mermaid dress will turn heads at your next black-tie affair. She features a sleeveless square neckline, adjustable spaghetti straps for a customized fit, an underbust and high waist seam for a snatched look, a floor-length hem with a thigh-high front slit to showcase some leg, and a mermaid silhouette. The sleek satin-knit fabric features all-over mini rhinestone embellishments for the prettiest sparkle all night long. Style this formal dress with rhinestone chandelier earrings and silver heels.
Fit & Features
- Sleeveless square neckline
- Adjustable spaghetti straps, back zipper and hook-eye closure
- Underbust seam, high waist seam
- Floor-length hem, high-cut front slit, mermaid silhouette
- All-over mini rhinestone embellishments, satin-knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7694
Category Name: Summer Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Delightful And Sweet Cowl Neck Floral Maxi Dress
Create delightful memories looking sweet in this floral maxi dress at garden parties to brunch! With spaghetti straps and a playful cowl neckline, this dress effortlessly hugs your form and features a flowy maxi-length hem for a touch of chic. Complete the look with hoop earrings and sandals.
Fit & Features
- Floral print, smooth knit fabric, moderate stretch
- Cowl neckline
- Spaghetti straps
- Form-hugging, maxi silhouette
- Runs true to size
Style Number/Barcode: 05101-3184
Category Name: Summer Formal Dresses
Price: $9.97 $52.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mazie Formal Sequin V-Neck Mermaid Dress
Special Occasion
Light-catching sequin rows create a shimmer on the Mazie formal long dress perfect for homecoming and red-carpet celebrations! She features a sleeveless V-neckline, padded bust, sleek bungee spaghetti straps, and a curve-flaunting mermaid silhouette that gracefully touches the floor. The formal maxi dress is composed of a mesh fabric with sequin embroidery in a gorgeous chandelier design and includes a stretchy knit lining. Style the floor-length dress with a clutch and heels.
Fit & Features
- Sleeveless V-neckline, padded bust
- Bungee spaghetti straps, back zipper closure
- Curve-hugging, mermaid silhouette
- Floor-length hem
- Sequin-embroidery, chandelier design
- Mesh fabric, stretchy knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-2991
Category Name: Summer Formal Dresses
Price: $19.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kaley Rhinestone Strappy Mermaid Satin Dress
Special Occasion
Sleek and slinky, the Kaley satin formal dress sparkles with glamour at prom and black-tie parties! This alluring formal gown is designed with a plunging V-neckline, padded bra cups that flatter your bust and support, and gorgeous rhinestone-embellished spaghetti straps that crisscross over the strappy back, fastening securely with dual hook-eye closures. The alluring mermaid silhouette and floor-length hem on luxurious satin fabric will have you feeling like a true goddess all evening! Complete the look with a tennis bracelet, clutch, and block heels.
Fit & Features
- Satin fabric lined with stretchy knit
- Padded bra cups
- Rhinestone embellished straps, dual hook-eye fasteners
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8044
Category Name: Summer Formal Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Serenity Ruched Satin Formal Dress
Special Occasion
Oh-so-chic and stunning, captive them all in the Serenity satin formal dress. She features a sleeveless cowl neckline, spaghetti straps, an open back with a cross-back lace-up strappy design, a high waist seam, front ruched detailing leading to a high front slit, and a flowy, floor-length, A-line silhouette. The smooth satin fabric offers a moderate stretch. Complete the look in this sleek long dress with rhinestone duster earrings.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps
- Open back, cross-back lace-up strap design, tie closure
- High waist seam, front ruching, adjustable drawstring
- Lower back zipper, hook and eye closure
- High front slit, floor-length A-line silhouette
- Satin fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-2501
Category Name: Summer Formal Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Elsa Halter Slit Mermaid Glitter Formal Dress
Special Occasion
Be a luminous muse in the Elsa glitter formal dress making your way into any black tie soiree! Crafted from a glitter woven fabric, this dress exudes luxurious sparkle at formal events. The square halter neckline and mermaid silhouette accentuate your figure while the high front slit along the floor-length hem adds a touch of drama to your night! Complete the look with earrings and strappy stiletto heels.
Fit & Features
- Glitter woven fabric lined with stretchy knit
- Halter strap, back zipper and hook-eye closure
- Mermaid silhouette
- High front slit
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7969
Category Name: Summer Formal Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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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: Summer Formal Dresses
Price: $59.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Faith Formal Glitter Ruche Mermaid Dress
Special Occasion
Showcase a beautiful shine in the Faith formal glitter long dress at black tie weddings, galas, and sweet sixteens! She features a sleeveless one-shoulder neckline, dual bungee spaghetti straps, a lightly padded bust, and curve-hugging side and back ruched seams along her flattering mermaid silhouette and a floor-length hem. The formal maxi dress is composed of a sparkly glitter knit fabric with a stretchy sewn-in knit lining. Complete the look with a box clutch and earrings.
Fit & Features
- Sleeveless one-shoulder neckline, dual bungee spaghetti straps
- Lightly padded bust, back zipper and hook-eye closure
- Side and back ruched seams, mermaid silhouette
- Floor-length hem
- Glitter knit fabric, stretchy sewn-in knit lining
- No bra required
- Runs true to size
The saturation of glitter varies. Glitter may transfer.
Style Number/Barcode: 05002-6944
Category Name: Summer Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Nadia Formal Glitter Long Dress
Special Occasion
Stretch knit glitter transforms the Nadia formal dress into a dancing queen's wish come true! She features a sleeveless cowl neckline with spaghetti straps that cross along her low-cut back, and side ruched seams to accentuate your curves on her form-hugging silhouette with a sexy side slit along the long hem. The formal dress is composed of a glitter-knit fabric with a knit lining and moderate stretch. Complete your dressy look in a necklace and earrings set.
Fit & Features
- Glitter knit fabric, knit lining, moderate stretch
- Sleeveless cowl neckline, spaghetti straps
- Low-cut back with cross straps
- Side ruched seams, side slit
- Form-hugging, long hem
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7054
Category Name: Summer Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gabrielle Formal Sequin Long Dress
Special Occasion
You'll shine in head-to-toe sequins on the Gabrielle formal dress boasting a lace-up back that stuns and a mermaid silhouette with a sultry high slit perfect for showing off your 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-embroidery, mesh fabric, stretchy knit lining
- Cowl neckline, adjustable spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Form-hugging, mermaid silhouette
- Front slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, glamorous parties, and special occasions.
Style Number/Barcode: 05002-2975
Category Name: Summer Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Stefani Strapless Corset Lace Mermaid Formal Dress
Special Occasion
A boho beauty, the Stefani lace formal dress is a charming stunner for bridesmaids, wedding guests, or banquet parties! Delicate lace fabric with glitter and rhinestone embellishments add a touch of opulence to the formal dress, She features a strapless sweetheart neckline and non-slip grip lining, ensuring a secure and elegant fit. The padded bra cups and flexible boning provide support and structure, while the sheer corset bodice and flattering mermaid silhouette showcase your figure down to the floor-length hem. Complete the look with statement earrings and heels.
Fit & Features
- Lace, glitter fabric, rhinestone embellishments
- Stretchy knit lining
- Padded bra cups
- Flexible boning
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8093
Category Name: Summer Formal Dresses
Price: $19.97 $154.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kimber High Slit Floral Sequin Mermaid Dress
Special Occasion
Create an enchanting aura in the Kimber floral sequin mermaid dress for prom, weddings, or galas! Showcase your gorgeous curves on the floor-sweeping mermaid silhouette, detailed with an alluring high-cut front slit.
All eyes are on you in this radiant dress. If sparkle is your signature, discover stunning sequin prom dresses or opt for effortless sophistication with our eye-catching formal dresses.
Fit & Features
- Sheer mesh fabric with knit lining, moderate stretch
- Sequin embroidered floral pattern
- Square neckline, adjustable spaghetti straps
- Padded bra cups
- High waist seam, back zipper and hook-eye closure
- High front slit, mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, award ceremonies, fancy milestone celebrations, birthdays
Style Number/Barcode: 05002-8041
Category Name: Summer Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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One Last Dance Glitter Asymmetric Ruffled Maxi Dress
Have the last dance out on the floor in this glitter mesh maxi dress perfect for celebrations! It features a V-neckline, spaghetti straps, a form-hugging silhouette, and an asymmetrical ruffled maxi-length hem. The glitter mesh fabric includes a stretchy knit lining. Complete the look with stylish stiletto heels.
Fit & Features
- Sleeveless V-neckline
- Spaghetti straps
- Form-hugging silhouette
- Asymmetric ruffled maxi-length hem
- Glitter mesh fabric, stretchy knit lining
- Runs true to size
Style Number/Barcode: 05101-2673
Category Name: Summer Formal Dresses
Price: $20.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Leanne Formal Glitter Lace Dress
Special Occasion
Give everyone something to talk about when they catch sight of you in the Leanne formal dress to bring radiance to dinner parties and ceremonies! She stuns in her sleeveless V-neckline, adjustable spaghetti straps, and a surplice bodice with a pleated side seam to accentuate your curves. Her form-hugging fit at the hips leads to the asymmetrical wrap long hem with a sultry front slit. The formal dress is composed of a glittery lace mesh fabric with a knit lining and minimal stretch. Style with hoop fringe earrings and heels to complete your dressy look!
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Hidden back zipper and hook-eye closure
- Surplice bodice, pleated side seam
- Form-hugging fit at the hips, front slit, asymmetrical wrap long hem
- Glitter lace mesh fabric, knit lining, minimal stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2946
Category Name: Summer Formal Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Erika Halter Satin Column Formal Dress
Special Occasion
Capture old Hollywood glamour in the classy Erika satin formal dress perfect for black-tie parties and galas. The formal dress embodies sophistication with a sultry halter plunge V-neckline and a dramatic tie-back design while the column silhouette accentuates your figure along the floor-length hem.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Premium satin fabric, woven lining
- Sleeveless halter plunge V-neckline, tie-back design
- Back zipper and hook-eye closure
- Column silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, galas, and black-tie parties, engagement parties, rehearsal dinners, date night, milestone celebrations, cocktail soirees, dinner parties
Style Number/Barcode: 05002-000157
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BROWN, BLACK
Available Size: XS, S, M, L, XL
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Irene Open Back Slit Column Formal Dress
Special Occasion
Everyone will do a double-take when you walk by in the Irene sleeveless formal dress at weddings, banquets, or dances! Crafted from a smooth knit fabric, this floor-length dress features an open-back design for a touch of sultriness, ruched seams that hugs your curves, and a high front slit along the column silhouette. Pair with a clutch.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Square neckline, padded bra cups
- Wide shoulder straps
- Open back, tie closure, zipper and hook-eye closure
- Ruched seams, high front slit
- Column silhouette, floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9282
Category Name: Summer Formal Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: MINT
Available Size: XS, S, M
Product Badge:- Sale
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Jennifer Cowl Neck Bodycon Floral Velvet Formal Dress
Special Occasion
You'll flourish with beauty in the Jennifer floral velvet formal dress with a bodycon ruched silhouette that puts your curves on display and a high side slit for a sultry allure.
This dress sets the tone for an unforgettable night. Keep the magic going with our stunning white prom dresses and sparkling party dresses.
Fit & Features
- Floral print, velvet fabric lined with stretchy knit
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Bodycon ruched silhouette
- High side slit, long-length hem
- Runs true to size
Where to Wear:
Prom, weddings, formal celebrations, fancy dinner parties
Style Number/Barcode: 05002-9099
Category Name: Summer Formal Dresses
Price: $74.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M