Mermaid Silhouette Prom Dresses
Mermaid silhouette prom dresses are your ticket to a jaw-dropping entrance and an unforgettable night. With curve-hugging fits and dramatic flares, these gowns bring main character energy to every dance floor moment. Ready to own the spotlight? Slip into a mermaid silhouette prom dress and let your confidence do the talking—because tonight, you’re making waves.
$29.97 $79.90 62% off
A black mermaid silhouette dress with glitter fabric, lace-up back, and padded bra cups.
$109.90
A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.
$109.90 - $149.90
A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back design.
$49.97 $119.90 58% off
A glamorous yellow mermaid dress featuring a sequin scroll pattern and an alluring lace-up back.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$84.90
A pink glitter knit mermaid dress with a bow-back design and floor-length train for formal events.
$69.90
A sage satin strapless mermaid dress with a sweetheart neckline and floor-sweeping hem.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.
$99.90
A mint sequin scroll mermaid dress with a strappy back, perfect for prom or black-tie events.
$64.90
An elegant green satin mermaid dress with a lace-up back and flattering V-neckline.
$79.90
A red knit mermaid dress with glitter, cowl neckline, and high front slit for formal events.
$69.90
A periwinkle mesh off-the-shoulder dress with ruched seams and a mermaid silhouette.
$89.90
A black off-the-shoulder mermaid dress in luxurious knit fabric with a dramatic high front slit.
$79.90
A light blue mermaid gown with faux pearl mesh, sweetheart neckline, and adjustable spaghetti straps.
$89.90
A yellow glitter knit mermaid dress with ruching, spaghetti straps, and a stylish back cutout.
$69.90
A green mermaid formal dress with a cowl neckline, crisscross back, and dramatic high front slit.
$124.90
A glamorous rose gold mermaid dress with glitter lurex fabric and adjustable spaghetti straps.
$59.90
A pink mesh mermaid dress featuring side ruching, adjustable straps, and a floor-length hem.
$69.90
A green sleeveless mermaid dress with glitter fabric and adjustable spaghetti straps for formal events.
$74.90
A stunning burgundy satin dress with a cold shoulder design and ruched mermaid silhouette.
$74.90
An elegant red glitter knit mermaid dress with an off-the-shoulder neckline and high front slit.
$69.90
A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.
$79.90
A stunning white mermaid dress with faux pearl embellishments and a cold shoulder neckline.
$59.90
A maroon knit mermaid dress featuring a sweetheart neckline, cowl draping, and a high front slit.
$19.97 $69.90 71% off
A pink glitter knit mermaid dress with a lace-up back and high front slit.
$79.90
A navy blue mermaid formal dress featuring a lace open back and side ruched seams.
$69.90
A green knit mermaid dress featuring a halter V-neckline and dramatic strappy open back.
$109.90
A light blue mermaid formal dress featuring floral trim, lace-up back, and cowl neckline.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$89.90
A sage mermaid dress with a lace-up back, high slit, and glitter knit fabric for sparkle.
$69.90
A green off-the-shoulder mermaid dress with a twisted sweetheart neckline and high front slit.
$89.90
A sultry green satin mermaid dress featuring a lace corset bodice and high front slit.
$69.90
A camel glitter mermaid dress featuring a sultry open back, sweetheart neckline, and floor-length hem.
$89.90
A lavender mermaid gown with a lace-up back and glitter lurex fabric for formal occasions.
$59.90
A pink lace formal dress featuring a corset bodice and mermaid silhouette with a high front slit.
$99.90
A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.
$14.97 $59.90 75% off
A black sleeveless mermaid dress featuring a lace-up back and high-low ruffled hem.
$79.90
A mint mermaid formal dress with a lace-up back, high slit, and glitter knit fabric.
$64.90
A glamorous green glitter knit mermaid dress with ruching, a high slit, and spaghetti straps.
$79.90
A stunning green satin mermaid dress featuring an open cross-back and high front slit.
$69.90
A green off-the-shoulder mermaid dress with glitter fabric, ruched bust, and high front slit.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$89.90
A stunning black mermaid dress featuring a semi-sheer lace corset bodice and adjustable spaghetti straps.
$64.90
A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.
$24.97 $49.90 50% off
A chic orange mermaid dress with a cowl neckline and adjustable spaghetti straps in stretchy knit fabric.
$14.97 $99.90 85% off
A stunning yellow strapless mermaid dress with sequin embellishments, cutout back, and high front slit.
$19.97 $64.90 69% off
A black satin slim fit dress with a square neckline and ruffled high-side slit.
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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
Mermaid Silhouette Prom Dresses
If you’re all about making an entrance that leaves jaws on the floor, mermaid silhouette prom dresses are about to be your new obsession. These curve-loving gowns know exactly how to turn a hallway into your personal runway, hugging every inch and then flaring out with just enough drama to keep everyone guessing what you’ll do next. Whether you’re the main character at prom, rolling up to a gala, or looking for that knockout dress for a formal event, the mermaid silhouette is the ultimate “look at me now” moment. The magic is in the fit—snatched through the bodice and hips, then cascading out at the knees like you’re about to dive into a sea of compliments. Picture yourself gliding across the dance floor, every step a little sassy, the skirt rippling behind you like a wave. This isn’t just a dress; it’s a power move. And trust, the compliments won’t just trickle in—they’ll pour.
Picking the perfect mermaid prom dress is all about owning your vibe. Maybe you want to channel that old Hollywood glam with a sleek, satin finish and a daring back, or maybe you’re here for the sparkle—think sequins, rhinestones, and glitter that catch the light every time you twirl. If you’re gifting a dress for a bestie, sister, or the soon-to-be prom queen in your life, a mermaid silhouette is the ultimate hype-up gift. It’s the kind of dress that says, “You’re unforgettable and you know it.” When you’re shopping, pay attention to details that matter to you—adjustable straps for a custom fit, built-in cups for that extra boost, or a little stretch so you can dance all night without a single wardrobe worry. And don’t forget the finishing touches: a bold clutch, sky-high heels, and statement earrings will have you feeling like you just stepped out of a music video. If you want to see even more options and explore the full range of glam, check out our curated selection of Mermaid Formal Dresses for inspo that’ll have you counting down the days until your next big event.
Wearing a mermaid prom dress is like stepping into your own fairytale—except you’re the one writing the story. These dresses are made for the girl who isn’t afraid to take up space, who loves a little drama, and who knows that every head turn is well-deserved. Picture the moment you arrive: all eyes on you, the room buzzing, your confidence peaking at just the right time. Whether you’re celebrating the end of an era at prom, making memories at a formal, or just dressing up because you can, the mermaid silhouette is your secret weapon. It’s not just about looking good (though, let’s be real, you’ll look fire); it’s about feeling unstoppable. So slip into that dress, channel your inner siren, and get ready to make waves—because when you look this good, there’s no such thing as blending in.