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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Shay Formal Lurex Glitter Dress
Special Occasion
Stun in the Shay formal glitter dress that makes your entrance that much more glam! Shay features a mermaid silhouette that flaunts your beautiful curves and a floor-length hem for a hint of drama.
Fit & Features
- Line glitter lurex fabric
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Ruching, mermaid silhouette
- Wide banded hem, train
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, black tie galas and events, red-carpet events, upscale birthdays
Style Number/Barcode: 05002-2491
Category Name: Summer Formal Dresses
Price: $124.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
Product Badge:- Ships Free
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Kelsie Formal Glitter Mermaid Dress
Special Occasion
Light-catching glitter on the Kelsie formal dress creates a dazzling enchantment for your celebration party. She features a sleeveless, sweetheart neck, spaghetti straps, a built-in padded bust with a center front ruched seam atop her corset-style bodice with trim detail. Flaunt your figure in her curve-loving mermaid silhouette that effortlessly flows into the flared floor-length hem. The formal dress is composed of a glitter stretch-knit fabric with an inner knit lining and a moderate stretch. Complete your formal look with a silver clutch and hoop earrings.
Fit & Features
- Sleeveless, sweetheart neck, spaghetti straps
- Built-in padded bust, bra optional
- Center front ruched seam
- Corset-style bodice with trim detail
- Form-fitting, mermaid silhouette, flared floor-length hem
- Glitter stretch-knit fabric, inner knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2239
Category Name: Summer Formal Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Brittney Strapless Rhinestone Long Formal Dress
Special Occasion
Light up the night in the Brittney rhinestone long formal dress with a fabulous glow down the red carpet or black tie parties! She showcases a dazzling rhinestone-embellished mesh fabric that adds a touch of luxury to any formal event. The strapless neckline is lined with a non-slip grip to ensure a secure fit, while the flexible boning and curve-hugging silhouette flatter your figure. With a long length and center-back slit, this dress exudes elegance and sophistication. Complete the look in stiletto heels and earrings.
Fit & Features
- Rhinestone embellished, mesh fabric, sewn-in knit lining
- Flexible boning, non-slip grip lining
- Back zipper and hook-eye closure
- Center back slit
- Slim silhouette
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8025
Category Name: Summer Formal Dresses
Price: $9.97 $179.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Taisia Formal Sequin Scroll Dress
Special Occasion
Lace up in a formal dress that brings the shimmer to your special night. The Taisia dress features a plunging V-neckline, an open lace-up back, a lightly padded bust, and a curve-hugging mermaid silhouette and floor-length hem. The formal dress is composed of a sequin scroll pattern on mesh fabric with a stretchy knit lining. Complete your look with a chiffon wrap and heels.
Fit & Features
- Sleeveless V-neckline, bungee spaghetti straps
- Lightly padded bust
- Open lace-up back, zipper, and hook-eye closure
- Form-hugging, mermaid silhouette, floor-length hem
- Sequin scroll mesh fabric, stretchy knit lining
- Sticky bra optional
- Runs true to size
Style Number/Barcode: 05002-0245
Category Name: Summer Formal Dresses
Price: $77.00 $109.90
On Sale: Yes
Availability: In Stock
Available Color: HUNTER
Available Size: XS, S, M
Product Badge:- Sale
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Kaliyah Formal High Slit Lurex Dress
Special Occasion
Dazzle and shimmer in this off-the-shoulder gown for your next formal event. Make a stunning entrance in this floor-length A-line dress with shimmery lurex fabric that wraps perfectly around the waist in a surplice off-the-shoulder bodice. Indulge in a twirly-worthy moment in this A-line-shaped skirt accented with a side high slit detail for a flirty reveal of your gorgeous legs. Complete your formal look with sparkly rhinestone jewelry and matching glitter heels for the perfect finishing touches.
Fit & Features
- Off-the-shoulder neckline
- Wrap-style bust
- Strapless or adhesive bra recommended
- High side slit
- A-line silhouette
- Glitter Lurex knit fabric
- Runs true to size
Style Number/Barcode: 05002-0060
Category Name: Summer Formal Dresses
Price: $15.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kylie Formal Knit Corset Mermaid Long Dress
Special Occasion
Look your most breathtaking in the Kylie formal long dress perfect for chic events and fancy soirees! She features a V-neckline, adjustable spaghetti straps, pleated and padded bust, and a corset-design bodice with flexible boning to snatch your figure. While her flattering mermaid silhouette showcases a front wrap slit and floor-length hem to elongate your figure. The formal long dress is crafted from a silky soft knit fabric with a sheen and has a short stretchy knit lining. Complete the look in platform heels for a black-tie wedding or gala!
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Pleated and padded bust
- Corset-designed bodice, flexible boning
- Mermaid silhouette, high front wrap slit, floor-length hem
- Silky soft knit fabric, short knit stretchy lining
- Runs true to size
Style Number/Barcode: 05002-7827
Category Name: Summer Formal Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Aimee V-Neck Ruffle Slim Lace Formal Dress
Special Occasion
It's love at first sight! The Aimee lace formal dress will capture your heart for the wedding, banquet, or garden party! Made of luxurious sheer lace fabric with a full-length knit lining for coverage, this floor-length dress is perfect for any formal occasion. With a V-neckline and adjustable spaghetti straps, this dress hugs your curves along the slim silhouette and features stunning ruffles and a high front slit. Complete the look with marquise earrings.
Fit & Features
- Sheer lace fabrication with knit lining, moderate stretch
- Adjustable spaghetti straps
- V-Neckline
- Back zipper with hook and eye closure
- Curve-hugging slim silhouette, ruffled
- High front slit
- Runs true to size
Style Number/Barcode: 05002-8511
Category Name: Summer Formal Dresses
Price: $24.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Vanessa Formal Satin Cowl Neck Dress
Special Occasion
The Vanessa formal satin dress gives an aurora of dreamy romance with subtle hints of sophistication! Perfect for bridesmaids, black tie galas, and award banquets. She features a sleeveless cowl neckline, adjustable spaghetti straps that crisscross along the back, and a hip-hugging slim silhouette with a floor-length hem. The formal dress is composed of a silky satin fabric with a sheen effect. Complete the look with statement earrings.
Fit & Features
- Sleeveless cowl neckline
- Adjustable spaghetti straps, criss-cross back
- Back zipper, hook and eye closure
- Hip-hugging, slim silhouette, floor-length hem
- Silky satin fabric, sheen effect, full-length woven lining, no stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7165
Category Name: Summer Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Annie Tie Back Wrap Slit Mermaid Glitter Formal Dress
Special Occasion
Make the most remarkable entrance in the Annie glitter formal dress at galas or weddings! With its square neckline, wide shoulder straps, and stunning tie-back detail, this dress exudes sophistication. The high front wrap slit and mermaid silhouette add glamour, while the floor-length hem and glitter knit fabric ensure you make a statement at any formal occasion. Complete the look with a clutch and earrings.
Fit & Features
- Glitter knit fabric, bust lining, moderate stretch
- Square neckline
- Wide shoulder straps
- High front wrap slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8559
Category Name: Summer Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lyanna Formal Iridescent Sequin Mermaid Dress
Special Occasion
Dazzle with glitz and glamorous vibes in the stunning Lyanna formal sequin dress! She features a sleeveless V-neckline with a built-in padded bust, spaghetti straps, a bold open back with a cross-back, lace-up strappy design, a fitted bodice and hip-hugging fit, and a floor-length hem with a mermaid silhouette. The lined mesh fabric showcases iridescent sequin embroidery in an intricate geometric design. Style with a rhinestone necklace and earrings set for prom or any fancy gala!
Fit & Features
- Sleeveless V-neckline, padded bust, adjustable spaghetti straps
- Open back, cross-back, lace-up strappy design, tie closure
- Fitted bodice, hip-hugging fit, lower back zipper closure
- Floor-length hem, mermaid silhouette
- Iridescent sequin embroidery, geometric pattern
- Sheer mesh fabric, full knit lining, minimal stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7890
Category Name: Summer Formal Dresses
Price: $9.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Phoebe Formal Sequin Cowl Neck Long Dress
Special Occasion
Stand out in the fabulous Phoebe formal dress designed with a regal sequin scroll pattern perfect for showing off at school dances or banquets! She features a sleeveless cowl neckline, adjustable spaghetti straps for a customizable fit, a strappy back, and a curve-hugging slim silhouette with a high-front slit and floor-length hem. The formal dress is composed of a sequin-scroll pattern on mesh fabric with a stretchy knit lining. Complete the look with a glam rhinestone bracelet and earrings.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps, strappy back
- Back zipper and hook-eye closure
- Curve-hugging, slim silhouette
- High front slit, floor-length hem
- Sequin-scroll mesh fabric, stretchy knit lining
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6841
Category Name: Summer Formal Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Edlyn Sequin Laceup Mermaid Formal Dress
Special Occasion
Enchant in the Edlyn sequin formal prom dress to make a glamorous entrance at your next elegant affair or prom! She features adjustable spaghetti straps that shape her lace-up back that will have every head turn. Plus, she offers built-in bust support so no bra is needed. The fitted empire waist gently flows into a floor-length mermaid silhouette with a sultry side slit. She's composed of a sequin embroidered mesh-lined fabric with a minimal stretch. Compliment your look in satin lace-up heels.
This dress is the perfect pick for Prom! Not exactly your style? You’ll love other prom dresses.
Fit & Features
- Sleeveless square neckline, adjustable spaghetti straps
- Built-in bust support, no bra needed
- Lace-up back, zipper and hook and eye closure
- Fitted empire waist, side slit
- Mermaid floor-length silhouette
- Sequin embroidery
- Mesh-lined fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-6823
Category Name: Summer Formal Dresses
Price: $14.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Noemi Formal Sequin A-Line Dress
Special Occasion
Shimmering sequins make a debut on the Noemi formal dress to make your sparkling appearance at school dances, banquet dinners, and black tie events! She features a sleeveless square neck, adjustable spaghetti straps, and a flattering A-line silhouette that leads to the floor-length hem that gracefully kisses the floor with step. The formal dress is composed of a sequin-scroll patterned mesh fabric with a stretchy knit lining. Complete the look with statement earrings.
Fit & Features
- Sleeveless square neck, adjustable spaghetti straps
- Back zipper and hook-eye closure
- A-line silhouette
- Floor-length hem
- Sequin-scroll pattern, mesh fabric, stretchy knit lining
- Bra friendly design
- Style runs small
Style Number/Barcode: 05002-3161
Category Name: Summer Formal Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sharon Tie-Back Glitter Mermaid Formal Dress
Special Occasion
Endlessly memorable evenings await in the Sharon glitter formal dress that sparkles at every special event! Designed with a flattering square neckline, spaghetti straps, a tie-back design, and a mermaid silhouette that creates a stunning and sophisticated look. The high front slit adds a touch of glamour, while the floor-length hem and glitter knit fabric ensure you make a statement on any occasion. Complete the look with an exquisite necklace and heels!
Fit & Features
- Glitter knit fabric
- Spagehtti straps
- Tie-back design
- High front slit
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8372
Category Name: Summer Formal Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Steffanie V-Neck Sequin Bead Mermaid Formal Dress
Special Occasion
Embellished with sequins and delicate beading, the Stefannie mermaid formal dress is a stunning standout at school dances, banquets, and red carpet events! Adorned with sparkling sequins and a beaded striped pattern, crafted from luxurious mesh fabric, this dress is perfect for any formal occasion. The V-neckline and adjustable spaghetti straps highlight your figure while the mermaid silhouette and floor-length hem exude sophistication. Complete the look with a clutch.
Fit & Features
- Sequin and beaded striped pattern
- Mesh fabric lined with stretchy knit
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8424
Category Name: Summer Formal Dresses
Price: $9.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Candace Lace-Up Slit Mermaid Formal Dress
Special Occasion
Look sensational in the inspiring allure of the Candace mermaid formal dress perfect for bridesmaids, wedding guests, or banquets! This stunning dress features a square neckline, padded bra cups, and spaghetti straps for a flattering fit. The lace-up back and front ruched seam adds a touch of sophistication, while the high slit and mermaid silhouette create a graceful and alluring look along the floor-length hem. Complete the look with a necklace and earrings.
Fit & Features
- Smooth knit fabric lined with knit, moderate stretch
- Spaghetti straps
- Square neckline, padded bra cups
- Lace-up
- Front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8601
Category Name: Summer Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Emmalyn Ombre Mesh Lace-Up Mermaid Dress
Special Occasion
Radiate dreamy sunset vibes in the gorgeous Emmalyn ombre mesh mermaid dress at beach weddings or formal parties! Designed with an airy sheer mesh fabric with a full-length lining, she showcases a stunning ombre design that will catch everyone's eye. Her fitted bodice is shaped with a sleeveless square neckline and spaghetti straps, leading to an alluring open back with a lace-up strappy design for a customized fit. Her high waist seam flows down to a floor-sweeping hem with a mermaid silhouette to highlight your curves. Complete the look with rhinestone fringe earrings.
Fit & Features
- Stretchy sheer mesh fabric with a knit lining, ombre design
- Square neckline, spaghetti straps
- Open back with cross-back lace-up straps
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8289
Category Name: Summer Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Harlow Formal Rhinestone Bodycon Midi Dress
Special Occasion
Glamour goes a long way on the Harlow formal dress designed with shimmering rhinestone embellishments - perfect for chic wedding receptions or dressy summer parties! She features a sleeveless square neckline, adjustable spaghetti straps, curve-accentuating side ruched seams, a bodycon silhouette, and a flirty side slit along her midi-length hem. The formal dress is composed of a rhinestone-embellished mesh fabric with a smooth knit stretchy lining. Complete the look in rhinestone stiletto heels.
Fit & Features
- Sleeveless square neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Side ruched seams, bodycon silhouette
- Side slit accent, midi-length hem
- Rhinestone-embellished mesh fabric, smooth knit stretchy lining
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05001-1540
Category Name: Summer Formal Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sarah One-Shoulder Mermaid Sequin Formal Dress
Special Occasion
Elevate the night in the Sarah sequin formal dress that brings sultry shine to balls, banquets, and prom! Show off the stunning one-shoulder neckline and adjustable spaghetti strap for a custom fit, while the padded bra cups provide support. The mermaid silhouette and sequin pattern add eye-catching flair, while the floor-length hem creates a dramatic entrance. Complete the look with luxe earrings and block heels.
Fit & Features
- Sequin scroll pattern, mesh fabric lined with stretchy knit
- Padded bra cups
- Adjustable spaghetti strap
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-7936
Category Name: Summer Formal Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Nina Lace-Up Feather Mermaid Sequin Formal Dress
Special Occasion
Make a memorable entrance in the Nina sequin formal dress to create a showstopping night at prom, banquets, or upscale birthdays! Crafted from dazzling sequins, this dress will make you feel like a work of art. Featuring a plunging wired sweetheart neckline and delicate spaghetti straps, and a head-turning lace-up back and padded bra cups offer support while the feather trim adds a touch of elegance. Complete the look in platform heels and rhinestone jewelry!
Fit & Features
- Sequin scroll pattern, mesh fabric lined with stretchy knit
- Padded bra cups
- Lace-up, back zipper and hook-eye closure
- Mermaid silhouette
- Feather trim floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8091
Category Name: Summer Formal Dresses
Price: $9.97 $179.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kira Lace-Up Glitter Tulle A-Line Formal Dress
Special Occasion
Sparkly lines of glitter accent the gorgeous Kira A-line formal dress, a stunning piece for prom, birthday events, or balls! Crafted from tulle fabric, this floor-length dress will make you stand out at any formal event. Featuring a flattering square neckline, padded bra cups for support, and adjustable spaghetti straps for perfect fit and style. The lace-up back adds a touch of sophistication while the A-line silhouette accentuates every figure. Complete the look with an elegant necklace and earrings set for extra glamour!
Fit & Features
- Glitter pattern, tulle fabric lined with stretchy knit
- Padded bra cups
- Adjustable spaghetti straps
- Lace-up, back zipper and hook-eye closure
- A-line silhouette
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-8092
Category Name: Summer Formal Dresses
Price: $9.97 $169.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Denice Corset A-Line Wrap Formal Dress
Special Occasion
You're not wrong for wanting to glow this prom season! The Denice Corset A-Line Wrap Formal dress will have you feeling sparkly all night. She features a sleeveless cowl neck, adjustable spaghetti straps that let you customize her fit, and a corset-style bodice with flexible boning. Keep your hands warm in the hidden side pockets. Her empire waist leads to the A-line, floor-length silhouette on a shimmering glitter satin-lined fabric with no stretch. Complete the look in platform heels.
Fit & Features
- Cowl neckline, adjustable spaghetti straps
- Wrap front, back zipper, hook and eye closure, side pockets
- Corset waist, flexible boning
- A-line silhouette, floor-length hem
- Glitter fabric, satin lining
- Flowy fit, no stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2011
Category Name: Summer Formal Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Angelina Formal Lace-Up Sequin Mermaid Dress
Special Occasion
Create an enchanting entrance in the gorgeous Angelina formal sequin mermaid dress that will take everyone's breath away. She features a sleeveless V-neckline, spaghetti straps that lead to an open back with a cross-back lace-up strappy design, a floor-length hem, and a form-hugging mermaid silhouette. The lined mesh fabric features stunning sequin embroidery in an intricate geometric pattern. Complete your look in this long dress for a black-tie gala with stiletto heels.
Fit & Features
- Sleeveless V-neckline, spaghetti straps
- Open back, cross-back lace-up strappy design, tie closure
- High waist seam, lower back zipper, hook and eye closure
- Floor-length hem, mermaid silhouette
- Sequin embroidery, geometric pattern
- Sheer mesh fabric, full knit lining, minimal stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7488
Category Name: Summer Formal Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jessa Lace-Up Mermaid Sequin Formal Dress
Special Occasion
The Jessa sequin formal dress will charm hearts with her magnetic radiance at banquets or red-carpet events! Featuring a lace-up back that adds a touch of allure, while the intricate sequin pattern on a sheer mesh fabric exudes luxury and sophistication.
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 pattern, mesh fabric lined with stretchy knit
- Adjustable spaghetti straps
- V-neckline, padded bra cups
- Lace-up, back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, and black-tie events.
Style Number/Barcode: 05002-8167
Category Name: Summer Formal Dresses
Price: $59.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free