Open Back Sequin Prom Dresses

When the night calls for a little extra shimmer and a whole lot of drama, open back sequin prom dresses are your ticket to main character energy. Show up, sparkle, and let that open-back moment do all the talking—because who needs a boring exit when you can leave everyone breathless? Whether you’re ready to light up the dance floor or make your Insta pop off, these dresses are here to turn every glance into a double-take. Go ahead, Windsor girl—own your spotlight and let those sequins do their thing.

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Best Seller

$109.90

4.71875 star rating

A navy blue sequin mermaid dress with a lace-up back and thigh-high front slit.

$59.90

4.69403 star rating

A royal blue mini dress with sequin embroidery, open back, and lace-up strappy design.

$59.90

4.589286 star rating

A stunning sage bodycon mini dress with sequin embroidery, halter straps, and an open lace-up back.

Best Seller

$109.90 - $149.90

4.709091 star rating

A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.

$89.90

4.87234 star rating

A stunning black sequin dress with a backless design, high slit, and mermaid silhouette.

$79.90

4.744681 star rating

A light blue mini dress with faux pearl embellishments, featuring a strappy open-back and bodycon silhouette.

$109.90

4.581395 star rating

A dazzling yellow sequin-embroidered mesh dress with a mermaid silhouette and adjustable spaghetti straps.

Sale

$77 $109.90 30% off

4.648649 star rating

A stunning green sequin scroll dress with a lace-up back and mermaid silhouette for formal events.

Sale

$84 $119.90 30% off

4.361111 star rating

A dazzling royal blue sequin dress with a cowl neck, open-back, and sultry front slit.

$89.90

4.625 star rating

A dazzling periwinkle skater dress featuring sequin lace-mesh fabric and an open lace-up back.

$99.90

4.551724 star rating

A glamorous fuchsia A-line dress with rhinestones, lace-up back, and floor-sweeping hem.

Best Seller

$119.90

4.814815 star rating

A lavender sequin mermaid dress with a lace-up back, perfect for prom and formal events.

$56.90

4.428571 star rating

A glamorous green formal dress featuring a backless design, thigh-high slit, and stretchy knit fabric.

$99.90

4.523809 star rating

A strapless black sequin formal dress with a lace-up back, high slit, and A-line silhouette.

$109.90

4.736842 star rating

A stunning black sequin dress with a lace-up back, sweetheart neckline, and high front slit.

Best Seller

$79.90

4.538462 star rating

A yellow floral sequin mesh formal dress with a lace-up back and high side slit.

$69.90

4.454546 star rating

A pink glitter knit mermaid dress featuring a lace-up back, V-neckline, and high front slit.

$119.90

4.272728 star rating

An elegant denim tulle gown with shimmering sequins, adjustable straps, and a striking open back.

$119.90

4.666667 star rating

A stunning royal blue satin dress with sequin scrolls, lace-up back, and a dramatic front slit.

Best Seller

$64.90

4.375 star rating

An elegant black mermaid gown with glitter knit fabric, cowl neckline, and dramatic open back.

$69.90

4.25 star rating

A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.

$109.90

4.625 star rating

An orange sequin bodycon dress with a high neckline, open back, and high front slit.

$119.90

4.5 star rating

A coral bodycon formal dress featuring sequin embellishments, cutout back, and floor-length hem.

$139.90

5 star rating

A pink chiffon and mesh mermaid dress featuring a sequin-beaded bow pattern and tie-back design.

Best Seller

$119.90

5 star rating

An iridescent sequin dress in pink with a lace-up back and mermaid silhouette.

$119.90

5 star rating

A glamorous orange mermaid dress featuring sequins, a lace-up back, and a high front slit.

$119.90

4.666667 star rating

A glamorous denim sequin mermaid dress with a lace-up back and high front slit.

$59.90

4.666667 star rating

A black woven glitter knit mini dress with a strapless sweetheart neckline and detachable bow accent.

$79.90

4.666667 star rating

A glamorous black mermaid dress with glitter knit fabric, open back, and high front slit.

$79.90

5 star rating

A navy blue sequin satin A-line dress with a lace-up back and adjustable spaghetti straps.

$99.90

4.666667 star rating

A black strapless sequin mermaid dress with a cutout back and high front slit for formal events.

$99.90

4.5 star rating

A teal floor-length sequin bodycon dress with a lace-up back and padded bra cups.

$99.90

4 star rating

A green velvet mermaid dress with sequin embroidery and an adjustable lace-up open back.

$119.90

4.5 star rating

A red sequin mermaid dress with a low back, padded bust, and high front slit.

$99.90

5 star rating

A dazzling denim sequin dress with a cutout back and mermaid silhouette for glamorous events.

$99.90

4.5 star rating

A light blue mermaid sequin dress with a cutout back and high slit for formal events.

$99.90

4 star rating

A lavender sequin formal dress with a lace-up back, high slit, and form-hugging silhouette.

Sale

$19.97 $79.90 75% off

4.5 star rating

A light blue sequin midi dress with a low back, adjustable straps, and a bodycon silhouette.

Sale

$19.97 $38.90 49% off

4 star rating

A flirty black glitter mini dress with an open back and bodycon silhouette for standout occasions.

$64.90

5 star rating

A wine glitter mini dress with a cowl neckline, open back, and rhinestone strap for glam events.

$79.90

4.5 star rating

A black glitter mermaid dress with a strappy open back and floor-length silhouette.

$89.90

4.5 star rating

A stunning red formal dress with sequin beading, high slit, and open lace-up back.

$99.90

5 star rating

A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.

$109.90

5 star rating

A pink floral sequin dress with a lace-up back and mermaid silhouette for romantic occasions.

$119.90

4 star rating

A stunning royal blue sequin dress featuring an open back, high front slit, and mermaid silhouette.

$84.90

5 star rating

A stunning black mermaid dress featuring a glitter knit fabric, strappy open back, and high slit.

$69.90

5 star rating

A wine-colored mermaid silhouette dress with glitter fabric and an alluring open back design.

Sale

$19.97 $79.90 75% off

5 star rating

A black mini dress with sheer mesh, sequin embroidery, and an alluring open back design.

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Bethanie Formal Sequin V-Neck Mermaid Dress in Light Blue-2
(68) 4.6617646 star rating

Embellished with light-catching sequins, the Bethanie formal dress is a clear stunner with a lace-up back and a flattering mermaid silhouette with a floor-length hem. Fit & FeaturesSequin-scroll pattern, mesh fabric, stretch knit lining, Sleeveless V-neckline, padded bust, Lace-up back, zipper and hook-eye closure, Mermaid silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Light Blue-2 | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric

Windsor Azalea Formal High Slit Sequin Dress in Black
(47) 4.87234 star rating

Showcase your show-stopping looks in the gorgeous Azalea sequin dress. She features a sleeveless bodice, spaghetti straps, a trendy square neckline with padding, a no-slip strip, and a backless design with a lace-up accent. Her high waist seam leads to a floor-length, curve-hugging mermaid silhouette with a high slit for a chic factor. The dress is composed of a lined mesh fabric with an all-over intricate sequin design and includes a stretchy knit lining. Complete your outfit with radiant earrings and a rhinestone cuff. Fit & FeaturesSpaghetti straps, Square neckline with padding, Open back with a lace-up design, Lower back zipper and hook and eye closure, Floor-length, form-hugging mermaid fit, high side slit, Mesh fabric with a knit lining, all-over sequin pattern, Form-hugging fit, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Azalea Formal High Slit Sequin Dress in Black | Size: M | Knit Fabric/Rhinestone/Mesh Fabric

Windsor Gabrielle Formal Sequin Long Dress in Yellow-2
(43) 4.581395 star rating

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! Fit & FeaturesSequin-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, special occasions Free Shipping on All Orders Over $75. | Windsor Gabrielle Formal Sequin Long Dress in Yellow-2 | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric

Windsor Taisia Formal Sequin Scroll Dress in Green
Sale
(37) 4.6486487 star rating

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 & FeaturesSleeveless 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, Free Shipping on All Orders Over $75. | Windsor Taisia Formal Sequin Scroll Dress in Green | Size: S | Chiffon/Knit Fabric/Mesh Fabric

Windsor Saige Formal Sequin Lace-Up Mermaid Dress in Yellow
(27) 4.814815 star rating

A sparkling sequin scroll pattern adds beauty and shine to the glamorous Saige formal long dress! With a lace-up back that turns heads, a curve-hugging mermaid silhouette, and a high slit for a gorgeous look. Fit & FeaturesSequin scroll pattern, mesh fabric, stretchy full knit lining, Sleeveless plunge V-neckline, padded bust, Spaghetti straps, open lace-up back detail, Back zipper and hook-eye closure, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, glam functions and parties Free Shipping on All Orders Over $75. | Windsor Saige Formal Sequin Lace-Up Mermaid Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric

Liana Formal Sequin Scroll Mermaid Dress in Mint
(22) 4.6363635 star rating

Bring the sparkle to your evening in our sparkling Liana formal dress for homecoming or black tie galas. With a gorgeous sequin scroll, strappy back, and mermaid silhouette that accentuates your curves! Fit & FeaturesSequin scroll, mesh-lined fabric, minimal stretch, Sleeveless V-neckline, double-row of adjustable spaghetti straps, Padded bust, no bra required, Cross-strap back design, lower back zipper, hook and eye closure, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas and weddings, big birthday events Free Shipping on All Orders Over $75. | Windsor Liana Formal Sequin Scroll Mermaid Dress in Mint | Size: XS

Chandler Strapless Lace-Up Sequin Formal Dress in Neon Orange
(21) 4.5238094 star rating

Chic with an elegant bold flair, the Chandler sequin formal dress was made to bring the drama. The floor-length dress has an alluring open back with a strappy lace-up design for customizable wear and a high slit for effortless allure. Fit & FeaturesSheer mesh fabric, full knit lining, moderate stretch, Strapless sweetheart neckline, angled design, structured boning, Open back, strappy lace-up design, tie closure, Fitted bodice, high waist seam, lower back zipper, hook and eye closure, Floor-length hem, high front slit, A-line silhouette, Sequin embroidery, scroll pattern, Runs true to size, Where to Wear:Prom, black-tie galas, red-carpet events, and fancy soirees. Free Shipping on All Orders Over $75. | Windsor Chandler Strapless Lace-Up Sequin Formal Dress in Neon Orange | Size: S | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Lori Formal Sequin Lace-Up Long Dress in Black
(19) 4.736842 star rating

Gorgeous sequins make the Lori formal dress a sexy standout! With an alluring strappy lace-up back, high front slit for movement, and a striking form-hugging silhouette. Fit & FeaturesSequin scroll mesh fabric, stretchy knit lining, Sleeveless sweetheart neck, spaghetti straps, Lace-up open-back design, lightly padded bust, Back zipper and hook-eye closure, Form-hugging silhouette, High-cut front slit, floor-length hem, Runs true to size, Where to Wear:Prom, black tie galas, big parties, birthday celebrations Free Shipping on All Orders Over $75. | Windsor Lori Formal Sequin Lace-Up Long Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric

Windsor Lakelyn Lace-Up Floral Sequin Mesh Formal Dress in Yellow
(13) 4.5384617 star rating

Create the dreamiest vibe in the Lakelyn lace-up floral sequin mesh formal dress boasting a bodycon silhouette and a sultry high side slit for an alluring look! Fit & FeaturesSheer mesh fabric with knit lining, moderate stretch, Clear sequin embroidered floral pattern, Sleeveless sweetheart neckline, padded bust with underwire, Spaghetti straps, open back with lace-up straps, Lower back zipper with hook and eye closure, High side slit, bodycon silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, fancy date nights, big birthday events, engagement parties, rehearsal dinners Free Shipping on All Orders Over $75. | Windsor Lakelyn Lace-Up Floral Sequin Mesh Formal Dress in Yellow | Size: L | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Kailani Formal Sequin Slit Mermaid Dress in Royal Blue
Sale
(12) 4.4166665 star rating

Embellished with light-catching sequins, the Kailani formal long dress is sure to stun at school dances and black tie soirees! She features a square neckline, adjustable spaghetti straps for a customizable fit, a mermaid silhouette that hugs your curves, and a high front slit and graceful floor-length hem for a touch of sultry. The formal maxi dress is crafted with a sequin scroll pattern on mesh fabric and has a full stretchy knit lining. Complete the look in platform heels. Shop Short Version: Leila Sequin Bodycon Mini DressFit & FeaturesSleeveless square neckline, Adjustable spaghetti straps, Back zipper and hook-eye closure, Mermaid silhouette, high front slit, floor-length hem, Sequin scroll pattern, mesh fabric, full stretchy knit lining, Strapless bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kailani Formal Sequin Slit Mermaid Dress in Royal Blue | Size: M | Knit Fabric/Mesh Fabric/Mesh Fabric