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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Aila Sweetheart Beaded A-Line Glitter Formal Dress
Special Occasion
Step out of the pages of your favorite princess tale in the Aila A-line glitter formal dress for prom or as the gorgeous birthday girl! The sweetheart neckline, built-in underwire padded bust, and flexible boning offer support and structure while adjustable spaghetti straps ensure a perfect fit. The beaded applique along the bodice adds a touch of elegance to the A-line silhouette, and the glitter mesh fabric with satin woven lining creates a dazzling and glamorous look. Designed for the most exclusive occasions, this floor-length dress will make you feel like a dazzling princess! Complete the look with a stunning hair accessory and earrings.
Fit & Features
- Glitter mesh fabric lined with satin woven fabric
- Adjustable spaghetti straps
- Built-in padded underwire bust
- Back zipper and hook-eye closure
- Flexible boning, beaded applique bodice
- A-line silhouette
- Runs true to size
Style Number/Barcode: 05002-7992
Category Name: Summer Formal Dresses
Price: $19.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cynthia Lace Up Mermaid Sequin Formal Dress
Special Occasion
The exquisite details of the Cynthia lace up mermaid sequin formal dress are sure to have everyone in awe of you at prom, banquets, or red carpet events! Adorned with a stunning sequin scroll pattern on mesh fabric, this dress is the perfect choice for any formal occasion. She boasts a sultry V-neckline and spaghetti straps that form the lace-up back designed to turn heads and a mermaid silhouette that hugs your curves down to the floor-length hem. Complete the look with earrings and a bracelet.
Fit & Features
- Sequin scroll pattern, mesh fabric
- Spagehtti straps, padded bra cups
- Lace up, back zipper and hook-eye closure
- Mermaid silhouette
- Pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7938
Category Name: Summer Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Hayley Mermaid Trumpet Ruffle Satin Formal Dress
Special Occasion
Make the most beautiful memories in the Hayley satin formal dress as a bridesmaid, wedding, or black tie party guest! With its sweetheart neckline, adjustable spaghetti straps, and padded bra cups, this gown offers both support and elegance. The mermaid silhouette and trumpet ruffled high-low long bonded hem accentuate the figure, while the satin fabric gives a luxurious feel. Complete the look in stiletto heels and jewelry.
Fit & Features
- Satin fabric, bust lining, moderate stretch
- Adjustable spaghetti straps
- Padded bra cups
- Back zipper and hook-eye closure
- Flexible boning
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8146
Category Name: Summer Formal Dresses
Price: $9.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Francie Cold Shoulder Slim Floral Formal Dress
Special Occasion
Become a dreamy romantic vision in the Francie floral formal dress as a bridesmaid, wedding guest, or a summer banquet! The cold shoulder neckline, short-sleeve cuffs, and adjustable spaghetti straps create a flattering silhouette. The low cowl back adds a touch of sophistication, while the slim silhouette and floor-length hem exude luxury. Complete the look with rhinestone earrings and a chic clutch.
Fit & Features
- Floral print, mesh fabric lined with stretchy knit
- Cold shoulder neckline, short-sleeve cuffs, adjustable spaghetti straps
- Low cowl back
- Slim floor-length silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8552
Category Name: Summer Formal Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marlee Lace-Up Mermaid Glitter Midi Formal Dress
Special Occasion
For maximum glamour and glitz, slip into the Marlee glitter formal dress for a luxe allure at weddings or dressy banquets! She features a flattering V-neckline, delicate spaghetti straps, and a stunning lace-up back that'll turn heads. The mermaid silhouette flaunts your figure and the trumpet-ruffled midi-length hem adds a touch of glamour, while the glitter knit fabric sparkles with sophistication! Complete the look with stiletto heels and a clutch.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Spagehtti straps
- Lace-up
- Mermaid silhouette
- Trumpet ruffled midi-length hem
- Pasties recommended
- Runs true to size
Style Number/Barcode: 05001-2093
Category Name: Summer Formal Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Clara Sweetheart Floral Chiffon Midi Formal Dress
Get ready to steal hearts with your captivating presence in the adorable Clara floral chiffon midi dress at showers, banquets, or garden parties! She has playful tie-shoulder straps, padded bra cups, and a flattering ruched bodice. The A-line silhouette and ruffled midi-length hem create a stunning, feminine look, while the floral rose print chiffon fabric adds a touch of whimsy. Complete the look with earrings and sleek stiletto heels.
Fit & Features
- Rose floral print chiffon fabric, stretchy knit lining, tulle trim
- Sweetheart neckline
- Tie shoulder straps, back zipper and hook-eye closure
- Padded bra cups
- A-line silhouette
- Ruffled midi hem
- Runs true to size
Style Number/Barcode: 05001-2252
Category Name: Summer Formal Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mildred Off-The-Shoulder Floral Satin Formal Dress
Special Occasion
The Mildred floral satin formal dress was made to celebrate enchanting evenings in the most lovely fashion! Designed with a sweetheart neckline and short-sleeve cuffs, this dress features a built-in padded underwire bust and flexible boning for a flattering fit. The high front wrap slit adds an alluring touch to the slim silhouette, crafted from luxurious floral printed satin fabric. Complete the look with earrings, heels, and a clutch!
Fit & Features
- Floral print, satin fabric, sewn-in knit lining
- Off-the-shoulder sweetheart neckline
- Built-in padded underwire bust
- Back zipper and hook-eye closure
- Flexible boning
- Slim silhouette, high front wrap slit
- Runs true to size
Style Number/Barcode: 05002-8510
Category Name: Summer Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Avalynn Halter Cutout Crepe Formal Dress
Special Occasion
Luxe detailing meet a sultry silhouette in the Avalynn halter cutout crepe formal dress. Designed with a structured crepe fabric with a moderate stretch, this long dress will give you a polished and chic look perfect for a black-tie affair. Her sleeveless bodice features a high halter neckline and a partial open back, leading to alluring asymmetric cutouts at the waist. Her floor-length hem is accented with a high-cut front slit to showcase some leg and a slim-fit silhouette to accentuate your gorgeous curves. Complete your look with rhinestone statement earrings and stiletto heels.
Fit & Features
- Crepe fabric with moderate stretch, lined
- Halter neckline, button closures
- Partial open back, zipper closure
- Dual asymmetric waist cutouts
- High front slit
- Slim-fit silhouette
- Runs true to size
Style Number/Barcode: 05002-8470
Category Name: Summer Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ellie Cowl Neck A-Line Long Satin Formal Dress
Special Occasion
Sleek and figure-flattering, the Ellie satin formal dress is stunning for bridesmaids, weddings, or formal soirees! The cowl neckline and A-line silhouette provide a chic, sophisticated look on every body type, while the spaghetti straps and front slit offer a touch of sultry. Made of luxurious satin fabric, this floor-length dress will make you feel so chic and confident. Complete the look with dainty earrings and block heels.
Fit & Features
- Satin fabric with minimal stretch
- Adjustable spaghetti straps
- Front slit
- A-Line silhouette, floor-length
- Runs true to size
Style Number/Barcode: 05002-8107
Category Name: Summer Formal Dresses
Price: $24.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Emerie V-Neck Cutout Slim Sequin Formal Dress
Special Occasion
Make your way in the Emerie sequin formal dress looking so sparkly as a wedding or banquet guest! Crafted from countless glistening sequin embellishments, you'll shine in this shimmering dress. She features a flattering V-neckline with a cutout, padded bra cups for support, and adjustable spaghetti straps. The slim silhouette gracefully flaunts your curves while the front slit shows some skin along the floor-length hem. Complete the look with earrings and a clutch!
Fit & Features
- Sequin embellished, mesh fabric, stretchy knit lining
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Padded bra cups
- V-neckline cutout
- Front slit
- Slim silhouette
- Runs true to size
Style Number/Barcode: 05002-8549
Category Name: Summer Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kate Strappy Back Ombre Glitter Formal Dress
Special Occasion
Effortlessly dazzle in the Kate strappy back ombre glitter formal dress looking like a vision at upscale celebrations and prom! The cowl neckline and adjustable spaghetti straps create a sleek look, while the strappy back adds an exclusive touch. The floor-length mermaid silhouette and front ruched seam with a slit accentuate your curves and the ombre glitter mesh fabric sparkles with every step. Complete the look in stiletto pumps.
Fit & Features
- Ombre glitter mesh fabric lined with soft stretchy knit
- Adjustable spaghetti straps
- Front ruched seam and slit
- Mermaid silhouette
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8474
Category Name: Summer Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lyndia Formal Boho Sequin Mermaid Dress
Special Occasion
The Lyndia formal sequin dress is party-perfect and pairs well with crowns and selfies! She features a classic sleeveless V-neckline, adjustable spaghetti straps, a padded bust, and a curve-hugging mermaid silhouette that leads to her graceful floor-length hem. The formal dress is designed with a boho-inspired sequin pattern on mesh fabric for a flawless shimmer and has a stretchy knit lining. Complete the look for prom or birthday events with statement earrings.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Curve-hugging mermaid silhouette, floor-length hem
- Boho-inspired sequin pattern
- Mesh fabric, stretchy knit lining
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7368
Category Name: Summer Formal Dresses
Price: $9.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Madalyn One-Shoulder High Slit Formal Dress
Special Occasion
The sleek and sultry style of the Madalyn formal dress makes it the perfect option for parties, weddings, or fancy date nights! She features a sleeveless asymmetric one-shoulder neckline with a single spaghetti strap, a high waist seam, ruching down one side seam leading to a thigh-high slit, a floor-length hem, and a slim-fit silhouette. The smooth knit fabric offers plenty of stretch. Complete the look with strappy stilettos.
Fit & Features
- Sleeveless asymmetric one-shoulder neckline, spaghetti strap
- High waist seam, ruched side seam
- Thigh-high side slit
- Floor-length hem, slim-fit silhouette
- Knit fabric, lined bust, plenty of stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7213
Category Name: Summer Formal Dresses
Price: $9.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Elaina Bustier Slit Long Sequin Formal Dress
Special Occasion
Feel like a true VIP in the Elaina sequin long formal dress at prom, galas, or red carpets. This stunning sequin gown boasts a chic sweetheart neckline, adjustable spaghetti straps for a perfect fit, and a bustier bodice with padded underwire bra cups eliminating the need for a bra. Her slim fit silhouette accentuates your curves while the high side slit adds a touch of glamor along the floor-length hem. Pair this formal dress with earrings, a dainty bracelet, and a clutch to keep your party essentials in!
Fit & Features
- Sequin scroll pattern, mesh fabric lined with knit
- Padded underwire bra cups
- Back zipper and hook-eye closure
- Adjustable spaghetti straps
- High side slit
- Slim fit silhouette
- Runs true to size
Style Number/Barcode: 05002-7946
Category Name: Summer Formal Dresses
Price: $99.90
Availability: Out of Stock
Product Badge:- Sale
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Haylie Corset A-Line Floral Tulle Formal Dress
Special Occasion
From the moment you arrive in the Haylie floral tulle formal dress, you'll captive everyone with your gorgeous charm! Crafted from an airy tulle blooming with a garden floral print, this formal dress will make you feel like a fairytale princess. The scoop neckline and padded bra cups are flattering, while adjustable spaghetti straps and a corset sheer bodice offer a customizable look. Flexible boning adds structure to the A-line silhouette, creating a stunning floor-length hem. Complete the look with dainty earrings.
Fit & Features
- Garden floral print, tulle fabric lined with stretchy knit
- Adjustable spaghetti straps
- Scoop neckline, padded bra cups
- Sheer corset bodice, flexible boning
- Back zipper and hook-eye closure
- A-Line silhouette
- Runs true to size
Style Number/Barcode: 05002-8080
Category Name: Summer Formal Dresses
Price: $19.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rachael Lace Up Mermaid Sequin Formal Dress
Special Occasion
You're sure to be a spellbinding sight to see in the Rachael sequin formal dress at galas or fancy soirees! The cowl neckline and spaghetti straps add a delicate touch to the mermaid silhouette, while the lace-up back ensures a perfect fit. Adorned with sequin embellished mesh fabric, the floor-length hem adds a touch of luxury to your formal look. Complete the look with earrings, a bracelet, and heels for divine glamour!
Fit & Features
- Sequin embellished mesh fabric lined with stretchy knit
- Spaghetti straps, cowl neckline
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8527
Category Name: Summer Formal Dresses
Price: $9.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Daphne Formal Lace Slit Long Dress
Special Occasion
The prettiest lace shapes the Daphne formal maxi dress for an effortlessly boho-chic bridal or gala look! She features a sleeveless sweetheart neckline, a lightly padded bust, adjustable spaghetti straps, a lace-up back, and a curve-hugging slim silhouette with a sultry high front slit along her floor-length hem. The formal dress is composed of a delicate lace fabric with a stretchy knit lining. Complete the look with dainty earrings and a ring set.
Fit & Features
- Sleeveless sweetheart neckline, padded bust
- Adjustable spaghetti straps
- Back lace-up, zipper and hook-eye closure
- Curve-hugging, slim silhouette, high front slit, floor-length hem
- Lace fabric, stretchy knit lining
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7321
Category Name: Summer Formal Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sheryl Ruffled Back Mermaid Satin Formal Dress
Special Occasion
Unveil a classic elegance in the Sheryl satin formal dress as a captivating bridesmaid, wedding guest, or gala! Crafted from sumptuous satin, it's the epitome of sophistication. Showcasing a stunning square neckline and adjustable spaghetti straps, it exudes elegance. The low-cut back boasts a delicate ruffled trim, accentuating the mermaid silhouette and flowing floor-length hem. Complete the look in luxe earrings and block heels.
Fit & Features
- Lined satin fabric, minimal stretch
- Adjustable spaghetti straps
- Ruffles along the back
- Mermaid silhouette
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8469
Category Name: Summer Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sally Lattice Back A-Line Ball Gown
Special Occasion
Sparkle under the disco ball in the Sally ball gown destined to steal the show at formal dances or galas! She features a sleeveless V-neckline with a lightly padded bust, adjustable spaghetti straps for a customizable fit, and a low-cut back with a head-turning lattice design. Her flattering a-line silhouette is designed with hidden side pockets to keep your hands warm and a sultry high-cut front slit along the floor-length hem. The formal dress is composed of a shimmering woven fabric with a sewn-in knit lining and minimal stretch. Style with lace-up heels to complete the look!
Fit & Features
- Sleeveless V-neckline, lightly padded bust, bra optional
- Adjustable spaghetti straps
- Low-cut back, lattice design, zipper and hook-eye closure
- A-line silhouette, hidden side pockets
- High-cut front slit, floor-length hem
- Shimmer woven fabric, sewn-in knit lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-3761
Category Name: Summer Formal Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Hollie Halter Slit Glitter Long Formal Dress
Special Occasion
Everyone will be intrigued by the glamorous Hollie glitter formal dress at weddings and banquets! Made from a glitter knit fabric for the perfect shimmer all night. She features a halter spaghetti strap that ties at the neck, a flattering cowl neckline, and a slim silhouette, this dress is perfect for your next formal event. The dual side slits and long hem add a touch of elegance while showing off your heels of the night! Complete the look in stiletto heels and a clutch.
Fit & Features
- Glitter knit fabric, short stretchy knit lining
- Halter spaghetti strap
- Slim silhouette
- Dual side slits
- Pasties or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7963
Category Name: Summer Formal Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marylou Lace Mesh Plunge Neck Formal Dress
Special Occasion
Bring the romantic allure to the evening affair in the Marylou lace mesh plunge formal dress! She embodies flirtatious style in a sleeveless plunge V-neckline with a built-in padded bust and adjustable spaghetti straps on her empire waist bodice. The sparkly embroidered lace mesh fabric effortlessly flows into a floor-length silhouette with a high-side slit to showcase some legs. She also features a curve-conscious silhouette to flaunt your stunning figure! Complete the look in an elegant hair clip.
Fit & Features
- Plunge V-neckline, adjustable spaghetti straps
- Adhesive bra recommended, built-in padded bust
- High side slit, back zipper, hook and eye closure
- Empire waist, form-fitting silhouette
- Floor-length hem
- Sparkly embroidered lace mesh fabric, full knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-7177
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Cassandra Lace Up A-Line Satin Formal Dress
Special Occasion
You'll be the definition of luxurious flair in the Cassandra satin formal dress perfect for bridesmaids, black tie weddings, and galas! This floor-length dress is made with silky smooth satin fabric and is perfect for any formal occasion. With a scoop neckline and adjustable spaghetti straps, it flatters the figure in an A-line silhouette. The lace-up back adds a touch of romance, while hidden side pockets and a front slit combine style and functionality. Complete the look with statement earrings.
Fit & Features
- Silky satin fabric with woven lining, no stretch
- Scoop neckline, adjustable spaghetti straps
- Lace-up, back zipper and hook-eye closure
- Hidden side pockets
- A-line silhouette
- Front slit
- Runs true to size
Style Number/Barcode: 05002-8006
Category Name: Summer Formal Dresses
Price: $9.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Nia Beaded Ombre Mesh High Slit Formal Dress
Special Occasion
Create the dreamiest vibe for your next fancy affair in the Nia beaded ombre mesh formal dress! Crafted with a sheer mesh fabric lined with knit, she features a stunning ombre design and all-over beaded and sequin embellishments for a gorgeous look. Her bodice is shaped with a sleeveless cowl neckline, adjustable spaghetti straps, and tie-back halter spaghetti straps. Her lower back cutout adds a hint of allure, while her high-cut side slit will showcase some leg. Her slim-fit silhouette will flaunt your beautiful curves. Complete the look with metallic heels.
Fit & Features
- Sheer mesh fabric lined with knit, ombre design
- Beaded and sequin embellishments
- Cowl neckline, dual spaghetti straps, tie-back halter
- Lower back cutout
- High side slit
- Slim-fit silhouette
- Runs true to size
Style Number/Barcode: 05002-8459
Category Name: Summer Formal Dresses
Price: $9.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rosalyn Ruched Glitter Knit High Slit Formal Dress
Special Occasion
Radiate glam girl energy in the Rosalyn glitter knit formal dress, perfect for prom or fancy parties! She features a sleeveless V-neckline with a built-in padded bust, spaghetti straps, an alluring open back with a strappy lace-up design for a customized fit, ruching down the side and back, a floor-sweeping hem with a thigh-high side slit, and a slim-fit silhouette. The glitzy glitter knit fabric features a pretty wavy design and offers a moderate stretch. Style the maxi dress with platform heels.
Fit & Features
- Sleeveless V-neckline, padded bust, spaghetti straps
- Open back, strappy cross-back and lace-up design, tie closure
- Ruching down the side and back, lower back zipper, hook and eye closure
- Floor-sweeping hem, high side slit, slim-fit silhouette
- Glitter knit fabric, wavy design, full knit lining, moderate stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-7439
Category Name: Summer Formal Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free