Open Back Mermaid Prom Dresses
Open back mermaid prom dresses are having a main character moment, and you’re about to steal the spotlight. Ready to serve drama from every angle? These jaw-dropping styles are all about that curve-hugging fit and show-stopping exits—because why let your entrance have all the fun? Whether you’re going for sultry siren or glam goddess, these dresses are your ticket to being unforgettable. Get ready to turn heads, break hearts, and dance the night away like the queen you are.
$109.90
A glamorous navy blue mermaid dress with sequins, a lace-up back, and a thigh-high slit.
$84.90
A glamorous black glitter knit mermaid dress featuring a bow-back design and floor-length train.
$69.90
A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.
$15.97 $69.90 77% off
A pink glitter knit mermaid dress featuring a lace-up back, V-neckline, and high front slit.
$79.90
A black satin mermaid dress featuring a halter neckline, open cross-back straps, and a high front slit.
$119.90
A stunning lavender mermaid dress featuring sequin scrolls, lace-up back, and high slit.
$59.90
A mauve floral mesh mermaid dress with a lace-up back, high slit, and floor-length hem.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$14.97 $99.90 85% off
A lime yellow sequin mermaid dress with a strappy back and elegant floral scroll pattern.
$119.90
An orange mermaid dress with sequin embroidery, lace-up back, and a high front slit.
$119.90
An iridescent light blue sequin mermaid dress featuring sheer mesh, lace-up back, and a dramatic train.
$79.90
A brown glitter formal dress featuring a strappy open back and high front slit for elegance.
$129.90
A stunning periwinkle sequin gown with a lace-up back, high slit, and mermaid silhouette.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$64.90
An elegant green satin mermaid dress with a lace-up back and flattering V-neckline.
$89.90
A light blue glitter knit mermaid dress with ruching and a stylish lower back cutout.
$69.90
A striking red knit mermaid dress featuring a halter V-neckline and dramatic strappy open back.
$64.90
A sleek black knit mermaid dress featuring a scoop neckline, open back, and high front slit.
$79.90
A glamorous red mermaid dress featuring glitter knit fabric, open back, and high front slit.
$69.90
A pink satin mermaid dress with floral print and lace-up back for formal occasions.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$19.97 $79.90 75% off
A mint column formal dress with an open back, high slit, and ruched seams for elegance.
$99.90
A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.
$64.90
A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.
$99.90
A green velvet mermaid dress with sequin embroidery and an adjustable lace-up open back.
$169.90
A pink mermaid formal dress with bead sequins, lace-up back, and high front slit.
$19.97 $74.90 73% off
A black glitter knit mermaid dress with a lace-up back and flattering V-neckline.
$59.90
A mauve mesh mermaid dress featuring a lace-up back, sweetheart neckline, and elegant ruching.
$59.90
A striking red strapless mermaid dress in slinky knit fabric with a twist accent and tie-back detail.
$119.90
A glamorous periwinkle sequin dress featuring a strappy open back and high front slit.
$119.90
A glamorous denim sequin formal dress with a lace-up back and mermaid silhouette.
$69.90
A chic strapless brown mermaid dress with a lace-up back and sleek knit fabric.
$64.90
A wine velvet mermaid dress with a chic ruched halter neckline and partially open back.
$84.90
A stunning black mermaid dress featuring a glitter knit fabric, strappy open back, and high slit.
$19.97 $69.90 71% off
A coral glitter formal dress with a lace-up back and curve-hugging mermaid silhouette.
$64.90
A red floral lace mermaid dress featuring a sleeveless cowl neckline and dramatic open-back design.
$79.90
A stunning lavender mermaid dress with glitter fabric and a captivating lace-up back design.
$79.90
A brown satin mermaid dress featuring a square neckline, padded cups, and an alluring open strappy back.
$19.97 $79.90 75% off
A black glitter mermaid dress with an open strappy back and floor-length silhouette.
$119.90
A stunning royal blue sequin formal dress featuring an open back, high slit, and mermaid silhouette.
$99.90
A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.
$59.90
A yellow mesh mermaid dress with a square neckline, open back, and high slit for formal occasions.
$19.97 $89.90 78% off
A glamorous denim mermaid dress with glitter knit fabric, lace-up back, and ruched detailing.
$164.90
A light blue mermaid formal dress featuring a rhinestone-embellished corset and high slit.
$69.90
A rust-colored off-shoulder mermaid dress with a twist-accent open back in smooth knit fabric.
$79.90
A pink glitter knit mermaid dress with a lace-up back and adjustable spaghetti straps.
$139.90
A royal blue sequin mermaid dress featuring a sultry open strappy back and sheer bodice design.
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Slip into the luxe vibes of Mayra! Designed to highlight your figure, this formal satin dress delivers a chic form-hugging fit and a high slit for effortless movement. Fit & FeaturesSmooth satin-knit fabric, moderate stretch, Sleeveless square neckline, spaghetti straps, Fitted bodice, side hip pleating, Form-fitting silhouette, high-cut front slit, Floor-length hem, Style runs small, Where to Wear:Homecoming, weddings, black-tie parties, galas, military balls, engagement parties, rehearsal dinners, bridal celebrations, birthday events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Mayra Formal Satin Slit Long Dress in Sage | Size: S | Satin Fabric
Create a captivating entrance in this formal wrap dress for your next soiree. All eyes are on you in this stylishly chic long formal dress with a plunging V-neckline to perfectly display a sparkling rhinestone lariat or delicate layers of dainty necklaces. Fit & FeaturesCrepe fabric, moderate stretch, Asymmetrical wrap V-neckline, Adjustable spaghetti straps, Ruched detailing, slim-fit bodice, High front slit, floor-length wrap silhouette, Runs true to size, Where to Wear:Prom, black-tie weddings, and formal parties. Free Shipping on All Orders Over $75. | Windsor Sasha Formal High Slit Wrap Dress in Black | Size: XS | Rhinestone
The Marissa long satin dress brings elegance and sultriness to your formal night. The floor-length gown enhances your curves with a fitted bodice and flattering A-line silhouette while the high front slit provides movement. Fit & FeaturesStretch-satin fabric, non-see-through, double-lined bust, Sleeveless pleated cowl neckline, spaghetti straps, Slim-fit bodice, empire waistline, High front slit, floor-length hem, A-line silhouette, Runs true to size, Where to Wear:Prom, weddings, black-tie soirees, special date nights, and engagement parties. Free Shipping on All Orders Over $75. | Windsor Marissa Formal Satin Cowl Neck Dress in Green | Size: S | Satin Fabric
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
Lavish yourself with a luxe formal dress that elevates your special occasion outfit! Cheyenne features a one-shoulder neckline, a wired V-neck bust, a fitted long sleeve, a high side slit on the floor-length hem, and a curve-hugging A-line silhouette. The long dress is composed of a lined velvet fabric that offers a moderate stretch. Complete the look with rhinestone heels and a sphere clutch. Fit & FeaturesOne-shoulder neckline, wired V-neck bust, Fitted long sleeve, High side slit, floor-length hem, A-line silhouette, Lined velvet fabric, Form-hugging fit, moderate stretch, Strapless or sticky bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Cheyenne Formal One-Shoulder Velvet Dress in Black-2 | Size: S | Rhinestone/Velvet Fabric
Make a sparkly statement at your next soiree in the trendy glam Addison glitter formal dress! Bring radiance to the room in this floor-length dress with a sleek design that fits like a glove. Fit & FeaturesSheer glitter mesh fabric, full knit stretchy lining, Sleeveless cowl neckline, spaghetti straps, High waist seam, Floor-length fitted silhouette, Runs true to size, Where to Wear:Prom, black tie weddings, galas, special date nights, rehearsal dinner Free Shipping on All Orders Over $75. | Windsor Addison Glitter Mesh Formal Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric
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 Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric
Sultry and stunning, the Alisha formal dress will keep all eyes on you. With thin rhinestone detailed straps that give effortless sparkle and a curve-hugging silhouette, and an alluring high slit. Fit & FeaturesLightweight, breathable stretchy fabric, Sleeveless cowl neckline, Rhinestone detailed straps, High waist seam, Floor-length hem, form-fitting silhouette, high slit, Runs true to size, Where to Wear:Prom, glamorous evenings, dinner parties, weddings Free Shipping on All Orders Over $75. | Windsor Alisha Rhinestone Strap Formal Dress in Black | Size: L | Stretchy Fabric/Rhinestone
Dare to stun in the Jamie satin formal dress crafted with silky satin fabric for a gorgeous sheen. The bold plunge halter neckline and open lace-up back will turn heads while the fitted column silhouette flaunts your curves. Fit & FeaturesSilky satin fabric, short knit stretchy lining, Plunge halter V-neckline, shoulder straps, padded bra cups, Lace-up open back, lower zipper with hook-eye closure, High side slit, Fitted column silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, weddings, galas, and black-tie soirees. Free Shipping on All Orders Over $75. | Windsor Jamie Lace-Up Satin Formal Column Dress in Red | Size: XS | Knit Fabric/Satin Fabric
The Rose formal long column dress is the perfect combination of elegance and glamour with a sheer corset trim and high-side slit for effortless allure! Fit & FeaturesMesh fabric, partial stretchy knit lining, Sleeveless sweetheart neckline, cowl pleating, Adjustable spaghetti straps, crisscross open back, Padded bust, sheer corset bodice, flexible boning, Side ruched seams, fitted column silhouette, High-side slit, floor-length hem, Style runs small, Where to Wear:Prom, weddings, bridesmaids, rehearsal dinners, cocktail soirees, and dressed-up date nights. Free Shipping on All Orders Over $75. | Windsor Rose Formal Mesh Corset Column Dress in Green | Size: M | Knit Fabric/Mesh Fabric
Open Back Mermaid Prom Dresses
When it comes to making an entrance that leaves the whole room breathless, open back mermaid prom dresses are your secret weapon. These stunners aren’t just dresses—they’re statements. Imagine gliding across the dance floor, the curve-hugging silhouette serving up hourglass realness while the open back brings the drama with a side of “who, me?” confidence. Whether you’re the girl who’s been dreaming about prom since middle school or the one who’s just here for the after-party, slipping into an open back mermaid gown is like stepping into your own main character moment. The magic is in the details: think delicate straps that crisscross like a work of art, bold plunges that dare to bare, or subtle cutouts that reveal just enough to keep everyone guessing. These dresses are made for the girl who wants to turn heads, collect compliments, and maybe—just maybe—make her ex regret every life choice. And let’s not forget the way the mermaid skirt flares out, catching every flicker of light as you twirl. Seriously, it’s impossible not to feel like royalty (with a little edge) in one of these.
Picking out your perfect open back mermaid prom dress is all about embracing your vibe and owning your confidence. Maybe you’re gifting this jaw-dropper to your ride-or-die bestie who’s ready to slay her last big dance, or maybe it’s a well-earned treat for yourself—because you deserve to feel like a goddess. Fit is everything, so don’t be afraid to take your time and find a style that hugs your curves in all the right places. If you’re all about the drama, go for bold colors and luxe fabrics that shimmer under the lights. If you’re more of a low-key legend, soft satins or understated hues can be just as striking, especially with a daring open back. And don’t sleep on the accessories—a killer pair of heels, some sparkly earrings, and a swipe of your favorite gloss will have you feeling unstoppable. Whether you’re making memories on the dance floor, posing for pics with your squad, or just soaking up every second of your big night, you’ll be serving looks from every angle. And if you’re feeling that open back energy but want a little more coverage, check out the seriously stunning Low Back Mermaid Dresses for another take on this iconic silhouette.
Open back mermaid prom dresses aren’t just for prom queens—they’re for every girl who’s ready to own her spotlight. These dresses are the ultimate “treat yourself” move, perfect for anyone who wants to feel fearless, flirty, and unforgettable. Maybe you’re shopping for that once-in-a-lifetime event, hunting down the dream dress that’ll live rent-free in your camera roll, or searching for the perfect gift for your sister, cousin, or BFF who’s about to have her Cinderella moment. Whatever your reason, this is your time to shine. Don’t stress about being “too much”—in a world full of basics, being extra is a superpower. With an open back mermaid dress, you’re not just showing off your style—you’re showing the world you’re not afraid to break the mold, take risks, and dance like everyone’s watching (because trust, they are). So go ahead, make your entrance, own the night, and let the memories—and the compliments—roll in.