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.
$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.
$109.90
A dazzling yellow sequin-embroidered mesh dress with a mermaid silhouette and adjustable spaghetti straps.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back design.
$119.90
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.
$59.90
A pink mesh mermaid dress featuring side ruching, adjustable spaghetti straps, and a floor-length hem.
$79.90
A light blue mermaid gown with faux pearl mesh, sweetheart neckline, and adjustable spaghetti straps.
$59.90
A sea foam floral lace mermaid dress with a lace-up back and high slit for formal occasions.
$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.
$29.97 $59.90 50% off
A glamorous navy blue glitter knit dress with a cowl neckline and sultry high side slit.
$124.90
A glamorous rose gold mermaid dress with glitter lurex fabric and adjustable spaghetti straps.
$59.90 - $64.90
A mauve knit mermaid dress featuring a cowl neck, pleating, lace-up back, and high front slit.
$69.90
A green sleeveless mermaid dress with glitter fabric and adjustable spaghetti straps for formal events.
$69.90
A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.
$74.90
An elegant red mermaid dress with a glitter knit fabric and off-the-shoulder sweetheart neckline.
$79.90
A stunning white mermaid dress with faux pearl embellishments and a cold shoulder neckline.
$59.90
A navy blue slinky knit mermaid dress featuring a sweetheart neckline, cowl draping, and high front slit.
$19.97 $69.90 71% off
A pink glitter knit mermaid dress with a lace-up back and high front slit.
$74.90
A stunning burgundy satin dress with a cold shoulder design and ruched mermaid silhouette.
$89.90
A glamorous light blue mermaid dress with rhinestone and pearl embellishments on lined mesh fabric.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$89.90
A dazzling chambray mermaid dress with a lace-up back and high slit for glamorous occasions.
$59.90
An ivory mesh mermaid dress featuring a halter neckline and high front slit for formal occasions.
$89.90
A sultry green satin mermaid dress featuring a lace corset bodice and high front slit.
$79.90
A navy blue mermaid formal dress featuring a lace open back and side ruched seams.
$99.90
A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.
$89.90
A lavender mermaid gown with a lace-up back and glitter lurex fabric for formal occasions.
$19.97 $59.90 67% off
A black sleeveless formal dress with a lace-up back, mermaid silhouette, and high-low ruffled hem.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$56 $79.90 30% off
A black mermaid silhouette dress with glitter fabric, lace-up back, and padded bra cups.
$69.90
A green off-the-shoulder mermaid dress with glitter fabric, ruched bust, and high front slit.
$79.90
A stunning green satin mermaid dress featuring an open cross-back and high front slit.
$69.97 $149.90 53% off
A lavender mermaid dress adorned with beaded pearls, featuring a lace-up back and floor-length hem.
$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.
$74.90
A black glitter knit mermaid dress with a halter neckline and high front wrap slit.
$39.97 $79.90 50% off
A glamorous green mermaid dress featuring glitter fabric, lace-up design, and a high front slit.
$49.90
A chic orange mermaid dress with a cowl neckline and adjustable spaghetti straps in stretchy knit fabric.
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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
Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
$29.97 $59.90
50% off
Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion. Fit & FeaturesCowl neckline, spaghetti straps, Slim-fit bodice, form-hugging fit, Floor-length silhouette, Thigh-high side slit, Glitter knit fabric, mini-length inner knit lining, moderate stretch, Sticky bra recommended, Runs true to size, The saturation of glitter varies. Glitter may transfer. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit 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. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue | Size: L | Knit Fabric/Rhinestone
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
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 Green | Size: S | Knit 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 Taupe | Size: M | Satin Fabric
Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Gold-2 | Size: M | Satin 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
Radiate sexy elegance in the Deyna formal long dress perfect for your upcoming black tie soirees! The dress accentuates your curves with side ruched seams and mermaid silhouette create a stunning and flattering shape, while the floor-length hem adds sophistication. Fit & FeaturesAiry mesh fabric, full knit stretchy lining, Off-the-shoulder neckline, ruffled cuffs, cascading ruffles, Back zipper and hook-eye closure, Flexible boning inserts in the bodice, Side ruched seams, mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, fancy garden parties, and dressed-up events. Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric
Mermaid Silhouette Prom Dresses
When it comes to making a jaw-dropping entrance, nothing delivers quite like a mermaid silhouette prom dress. These curve-loving gowns are all about that dramatic, red-carpet-worthy vibe, hugging your figure in all the right places before flaring out at the knee or calf for a look that’s pure magic. If you live for those moments when all eyes are on you as you glide across the dance floor, a mermaid dress is your ultimate power move. Think of it as your personal spotlight—cinched at the waist, sculpted through the hips, and then, boom, that show-stopping flare that makes every step feel like a grand reveal. Whether you’re shopping for your first prom or you’re the seasoned plus-one who knows how to own a night out, this style is your ticket to feeling like the main character, no matter what the night throws your way. And if you’re on the hunt for a gift that’ll make your bestie’s jaw drop (and maybe even snag you the coveted Maid of Honor title for next year), a mermaid prom dress is basically the ultimate “I got you, girl” moment—one that’ll have her tagging you in every post and thanking you for years to come.
Picking out the perfect mermaid prom dress is a little like choosing your signature song: it’s gotta fit your vibe, boost your confidence, and make you feel unstoppable from the first twirl to the last slow dance. Start by thinking about the details that make you feel most like you. Maybe you’re all about that high-glam shine with sequins that catch every light, or perhaps you’re vibing with sleek, satiny fabrics that feel like liquid confidence. Necklines are your playground—off-the-shoulder, sweetheart, deep V, or even a daring backless moment—each one brings its own brand of drama. And let’s not forget about color: go bold in jewel tones, keep it classic with black or white, or make a statement with dreamy pastels. The beauty of the mermaid silhouette is that it flatters a ton of body types, sculpting your shape and giving you that va-va-voom factor, all while keeping you secure enough to dance, pose, and live your best life. If you’re planning to gift this style, think about the recipient’s personality and what makes her feel confident—whether she’s the life of the party or the queen of understated glam, there’s a mermaid dress out there that’ll make her feel like royalty.
No matter how you wear it or who you’re shopping for, mermaid prom dresses are the definition of main character energy. They’re perfect for prom, but don’t sleep on their power for other big nights—think formal banquets, pageants, or any event where you want to leave a little sparkle in your wake. Pair your dress with some sky-high heels, a killer clutch, and your boldest jewelry, then hit the dance floor like you own it. And if you’re still searching for that one dress that feels like it was made just for you, check out our full selection of Mermaid Formal Dresses for even more styles that’ll have you feeling unstoppable from the first snap to the last after-party selfie. Whether you’re shopping for yourself or picking out the perfect gift for your ride-or-die, a mermaid prom dress is more than just an outfit—it’s a whole mood, a confidence boost, and a memory in the making.