Blue Prom Dresses With Open Back
Blue prom dresses with open back are here to make your grand entrance unforgettable and your exit even more iconic. Ready to serve a look that’s equal parts flirty and fearless? These dresses are all about turning heads, sparking whispers, and letting you own the dance floor with every twirl. Whether you’re channeling mermaid energy or going full-on midnight dream, blue prom dresses with open back are your ticket to main character vibes all night long.
$89.90
A light blue glitter knit mermaid dress with ruching, a scoop neckline, and a stylish back cutout.
$99.90
A stunning light blue formal dress with rhinestones, featuring a strapless neckline and cowl back design.
$69.90
A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.
$59.90
A captivating royal blue bodycon dress featuring a glitter knit, lace-up back, and high front slit.
$109.90
A glamorous navy blue mermaid dress with sequins, a lace-up back, and a thigh-high slit.
$59.90
A royal blue bodycon mini dress with sequin embroidery, adjustable straps, and an open lace-up back.
$109.90 - $149.90
A light blue mermaid dress with sequin-scroll mesh, padded bust, and lace-up back for formal events.
$44.90
A glamorous blue satin skater dress featuring a lace-up back and adjustable spaghetti straps.
$79.90
A light blue mini dress with faux pearl embellishments, featuring a cowl neckline and open-back design.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$46.90
A light blue mini dress with tulle straps, lace-up back, and floral sequin embellishments.
$79.90
A navy blue mermaid formal dress featuring a lace open back and side ruched seams.
$59.90
An elegant navy blue satin dress featuring a halter neckline, open back, and high front slit.
$69.90
A navy blue knit mermaid dress featuring a halter V-neckline and striking strappy open back design.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$79.90
A royal blue satin mermaid dress with a strappy open back and high front slit.
$79.90
A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.
$69.90
A captivating blue mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.
$59.90
A blue gingham woven skater dress featuring ruffled mini hem, open back, and delicate lace trim.
$49.90
A royal blue satin midi dress with a lace-up back, square halter neckline, and side slit.
$69.90
A light blue mermaid dress with glitter, lace-up back, and high front wrap slit for formal events.
$119.90
A royal blue mermaid dress with sequin embroidery, lace-up back, and high front slit.
$79.90
A royal blue glitter formal dress featuring a strappy open back and high front slit.
$49.97 $149.90 67% off
A glamorous periwinkle sequin dress with a sultry open back and flattering mermaid silhouette.
$99.90
A light blue mermaid sequin dress with a cutout back and high slit for formal events.
$99.90
A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.
$84.90
A royal blue mermaid dress with glitter knit fabric, strappy back, and high front slit.
$79.90
A stunning royal blue formal dress featuring a lace-up back and high side slit.
$32.90
A royal blue bodycon mini dress with a plunging halter neckline and alluring open back.
$119.90
A royal blue sequin formal dress featuring an open back, high front slit, and mermaid silhouette.
$89.90
A glamorous denim mermaid dress with glitter knit fabric, lace-up back, and ruched detailing.
$99.90
A stunning royal blue sequin dress with a lace-up back and mermaid silhouette for formal events.
$139.90
A royal blue sequin mermaid dress featuring a sultry open strappy back and sheer bodice design.
$64.90
A royal blue mermaid dress with glitter fabric, lace-up back, and a sleeveless v-neckline.
$52.90
An abstract blue mesh maxi dress featuring a cowl halter neckline, hoop insert, and open back design.
$79.90
A navy blue floral tulle A-line dress with a strappy back and high slit.
$119.90
An iridescent light blue mesh mermaid dress featuring sequin embroidery, lace-up back, and a dramatic train.
$59.90
A navy blue velvet glitter dress with a mermaid silhouette, open back, and high side slit.
$69.90
A royal blue glitter knit mermaid dress featuring a cowl neckline, lace-up back, and high front slit.
$169.90
A stunning light blue mermaid dress featuring bead sequins, lace-up back, and high front slit.
$89.90
A dazzling periwinkle skater dress featuring sequin lace-mesh fabric and an open lace-up back.
$19.97 $36.90 46% off
A dazzling blue glitter mini dress with a lace-up back and flattering bodycon silhouette.
$74.90
A sophisticated navy blue mermaid dress featuring a tie-back design and high front slit.
$59.90
A navy blue velvet mini dress with a sequin pattern, lace-up back, and bodycon silhouette.
$49.97 $149.90 67% off
A stunning periwinkle mermaid dress with sequin embellishments, lace-up back, and corset bodice.
$64.90
A royal blue formal dress with a V-neckline, strappy back, and high side slit.
$119.90
A glamorous periwinkle sequin dress featuring a strappy open back and high front slit.
$76.90
A navy blue mermaid dress with a chiffon tie-back and floral velvet pattern for formal occasions.
Now Trending
Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone
The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: S | Knit Fabric
The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric
Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Sage | Size: L | Satin Fabric
Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Brown | Size: M | Knit Fabric
Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit Fabric
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 & FeaturesLine 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 Free Shipping on All Orders Over $75. | Windsor Shay Formal Lurex Glitter Dress in Rose Gold | Size: XS
Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | Size: XS | Knit Fabric
Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: XS | Satin Fabric
Blue Prom Dresses With Open Back
When it comes to making an entrance that no one will forget, there’s nothing quite like slipping into a blue prom dress with an open back. Blue is that color—dreamy, daring, and endlessly versatile. Whether you’re drawn to the ethereal glow of a windsor light blue prom dress or the sultry depths of a navy blue prom dress windsor, there’s a shade of blue that feels like it was made just for you. The open-back detail? That’s your secret weapon. It’s the perfect blend of elegance and edge, showing off just enough skin to keep things interesting while still keeping it classy. Imagine gliding across the dance floor, the open back catching the light (and a few admiring glances), your confidence on full display. These dresses aren’t just for prom night—they’re for making memories, taking pics you’ll want to post everywhere, and feeling like the main character in your own story.
Shopping for a windsor blue prom dress with an open back is all about finding a look that feels true to your vibe. Think about the details that make you feel unstoppable—maybe it’s a silky fabric that hugs your curves, a flowy skirt that twirls just right, or delicate straps that frame your shoulders perfectly. If you’re looking to play up your summer glow, lighter shades of blue can make your skin pop, while deeper hues like navy bring a bold, sophisticated energy. Don’t forget to factor in comfort, too. You’ll want to dance, pose, and celebrate all night without a care, so look for styles that move with you and feel as good as they look. These dresses also make unforgettable gifts for besties, sisters, or anyone who deserves to shine at their next big event. Picture the excitement of unwrapping a dress that’s practically made for the spotlight—talk about best gift ever. And if you’re the kind of girl who loves to switch things up, why not explore other show-stopping shades? You can find even more jaw-dropping options, like the bold and fiery Red Dresses With Open Back, to keep your style game strong for every occasion.
No matter your style, blue prom dresses with open backs are all about celebrating YOU—your confidence, your individuality, and your fearless sense of fun. They’re made for those who want to stand out, for the girls who aren’t afraid to take a little risk and own every second of their big night. From group photos with your ride-or-die crew to twirling under the lights, these dresses are designed to make every moment feel electric. So go ahead, pick the shade that speaks to you, and let your dress do the talking. With the right windsor blue prom dress, you’re not just showing up—you’re making the night unforgettable.