Halter Neck Mermaid Prom Dresses
Halter Neck Mermaid Prom Dresses are here to make your prom night unforgettable, babe. Ready to serve main character energy? These curve-hugging stunners bring all the drama with a flirty halter neckline and that iconic mermaid silhouette—because you deserve a look as bold and fearless as you are. Whether you’re plotting a grand entrance or planning to dance ‘til sunrise, Halter Neck Mermaid Prom Dresses will have you feeling like the ultimate siren, turning every hallway into your runway.
$74.90
A black mesh mermaid dress featuring a plunging halter neckline, high side slit, and elegant ruching.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$169.90
A coral formal dress with beaded sequins, halter neckline, and a chic high front slit.
$19.97 $79.90 75% off
A captivating navy blue satin dress featuring a keyhole halter neckline and mermaid silhouette.
$59.90
A brown satin mermaid gown featuring a plunging halter V-neckline and elegant floor-length silhouette.
$89.90
A stunning red satin dress with a plunge halter neckline and lace-up open back.
$119.90
A stunning lavender mermaid dress featuring sequin scrolls, lace-up back, and high slit.
$59.90
A black crepe mermaid dress with a square halter neckline and elegant high front slit.
$89.90
A dazzling gold mermaid dress with a lace-up back, high slit, and glitter knit fabric.
$74.90
A sophisticated navy blue mermaid dress featuring a tie-back design and high front slit.
$149.90
A sophisticated white mermaid dress featuring beaded faux pearls and a dramatic open-back design.
$19.97 $99.90 80% off
A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.
$79.90
A glamorous black glitter mermaid dress featuring an open back and high front slit.
$79.90
A stunning green satin mermaid dress featuring an open cross-back and high front slit.
$169.90
A pink mermaid formal dress with bead sequins, lace-up back, and high front slit.
$99.90
A stunning green velvet mermaid dress with sequin details and an adjustable lace-up back.
$79.90
A sultry red satin mermaid dress with a halter V-neck and dramatic high front wrap slit.
$74.90
A black glitter knit mermaid dress with a halter neckline and high front wrap slit.
$49.90
A burgundy mesh maxi dress featuring a floral print, plunge halter neckline, and mermaid silhouette.
$64.90
A wine velvet mermaid dress with a chic ruched halter neckline and partially open back.
$79.90
A black glitter mermaid dress with a lace-up back and sweetheart halter neckline.
$69.90
A black floral mesh mermaid dress with a cutout halter neckline and padded bra cups.
$19.97 $69.90 71% off
A black mesh formal dress with a halter neckline, lace sequin cups, and mermaid silhouette.
$15.97 $64.90 75% off
A stunning green mermaid dress with a glitter knit fabric, halter neckline, and high front slit.
$36.90
A sleek black knit midi dress with a halter neckline and flared mermaid silhouette.
$69.90
A plum mermaid formal dress with a halter neckline, abstract print mesh, and padded bra cups.
$59.90
A burgundy mesh mermaid dress featuring a plunge halter neckline, high front slit, and sheer hem.
$59.90
A stunning black mermaid dress with a halter neckline, sweetheart bust, and high-side slit.
$79.90
A blue floral mermaid dress with a halter V-neckline and partially open back for formal events.
$69.90
A black lace mermaid dress featuring a halter plunge neckline and striking low strappy back.
$79.90
A black knit mermaid dress featuring a convertible neckline, high front slit, and multiple styling options.
$109.90
A glamorous navy blue mermaid dress with sequins, a lace-up back, and a thigh-high slit.
$109.90 - $149.90
A light blue mermaid dress with sequin-scroll mesh, featuring a V-neckline and lace-up back.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and a high-cut slit.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$59.90
A denim floral mesh mermaid dress featuring a lace-up back, ruched front, and high slit.
$77 $109.90 30% off
A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.
$15.97 $69.90 77% off
A pink glitter knit mermaid dress featuring a lace-up back, V-neckline, and high front slit.
$14.97 $59.90 75% off
A black glitter mermaid dress with a lace-up back and high-low ruffled hem.
$19.97 $99.90 80% off
A mauve satin mermaid dress with beaded applique neckline, perfect for formal occasions.
$19.97 $119.90 83% off
A lime yellow sequin mermaid dress with a corset bodice 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.
$19.97 $159.90 88% off
An ethereal green tulle formal dress with a sequined corset, mermaid silhouette, and front slit.
$79.90
A captivating red glitter mermaid dress featuring a cowl neckline, padded cups, and a dramatic slit.
$59.90
A strapless coral mermaid dress with glitter knit fabric and side ruched seams for formal events.
$19.97 $69.90 71% off
A coral glitter formal dress with a lace-up back and curve-hugging mermaid silhouette.
$149.90
A stunning yellow mermaid dress with sequin and bead embellishments, featuring a V-neckline and adjustable straps.
$99.90
A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.
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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
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
Sophistication meets sultry on the Marjorie formal dress perfect for cocktail parties and dressy family get-togethers. She features sheer chiffon peasant long sleeves, a square neckline, a bodycon silhouette, and a front ruched seam leading to the skin-flaunting slit along her midi-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Style with a chic clutch and heels to complete the look! Fit & FeaturesSheer chiffon peasant long sleeves, square neckline, Front ruched seam, slit detail, Bodycon silhouette, Midi-length hem, Lined crepe fabric, moderate stretch, Bra-friendly design, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marjorie Formal Chiffon Sleeve Midi Dress in White | Size: S | Chiffon/Crepe Fabric
A chic staple skater dress featuring a flirty off-the-shoulder folded neckline and a short-length perfect for styling with boots or heels. Fit & FeaturesRibbed knit fabric with plenty of stretch, Off-the-shoulder neckline, fold-over accent, Long fitted sleeves, Short-length hem, Skater silhouette, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Chic Staple Ribbed Knit Skater Dress in Black | Size: M | Knit Fabric
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: L | Knit Fabric
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 Lavender | Size: XS | Knit Fabric/Mesh Fabric/Mesh 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
Bring the romantic allure to the evening affair in the Marylou lace mesh plunge formal dress! She embodies flirtatious style in a sleeveless plunge V-neckline with a built-in padded bust and adjustable spaghetti straps on her empire waist bodice. The sparkly embroidered lace mesh fabric effortlessly flows into a floor-length silhouette with a high-side slit to showcase some legs. She also features a curve-conscious silhouette to flaunt your stunning figure! Complete the look in an elegant hair clip. Fit & FeaturesPlunge V-neckline, adjustable spaghetti straps, Adhesive bra recommended, built-in padded bust, High side slit, back zipper, hook and eye closure, Empire waist, form-fitting silhouette, Floor-length hem, Sparkly embroidered lace mesh fabric, full knit lining, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marylou Lace Mesh Plunge Neck Formal Dress in Black | Size: L | Knit Fabric/Mesh Fabric/Mesh 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: 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 Brown | Size: L | Satin Fabric
Halter Neck Mermaid Prom Dresses
When you’re on the hunt for a look that’s as unforgettable as your entrance, halter neck mermaid prom dresses are the ultimate power move. There’s something about that curve-hugging silhouette and dramatic flare that just screams “main character energy.” Halter necklines are your secret weapon—they frame your shoulders, show off a little skin, and keep everything perfectly in place while you dance, pose, and slay all night long. These dresses are made for the girl who’s not afraid to own the spotlight, whether she’s strutting into prom, serving at a black-tie gala, or even making a jaw-dropping appearance at a birthday bash. And let’s be real: if you’ve ever dreamed of channeling your inner siren, there’s no better way than slipping into a mermaid dress that hugs every curve and then explodes into a cascade of tulle, satin, or sequins. It’s all about that “wow” moment—the kind that lives on in Insta feeds and group chats for months.
Choosing the perfect halter neck mermaid prom dress is all about finding your vibe and making it work for you. Maybe you want a sleek, minimalist look that’s all about the silhouette, or you’re ready to go full-on glam with rhinestones, beading, or a dramatic train. Think about what makes you feel unstoppable: Is it a bold color that pops against your skin, or a luxe fabric that catches the light every time you move? These dresses are also a total win for gifting—if you’ve got a sister, bestie, or cousin who’s about to have her big night, helping her pick out a mermaid dress is basically a love language. You’ll be the hero who made her prom dreams come true, and trust, she’ll remember it every time she scrolls through her camera roll. As you browse, don’t forget to consider those little details that make a big difference, like adjustable halter ties for the perfect fit, built-in support for dancing comfort, or a touch of sparkle that’ll have everyone asking where you got your dress. And if you’re obsessed with the mermaid vibe but want to see even more options, check out our Mermaid Silhouette Prom Dresses collection for all the inspo you could ever want.
There’s a reason the halter neck mermaid prom dress never goes out of style—it’s a classic with an edge, the kind of look that makes you feel like you can take on anything the night throws at you. Whether you’re planning to twirl under the lights, snap endless pics with your crew, or just soak up every moment of your big night, this dress has your back (and your front, and your curves). It’s a favorite for anyone who wants to make a statement and leave a little sparkle wherever she goes. And hey, if you’re not the one wearing it, you’ll still want to be the friend who gets all the behind-the-scenes sneak peeks and helps pick out the perfect accessories. Because at the end of the day, the right dress isn’t just about looking good—it’s about feeling like your boldest, most confident self, ready to create memories that are as legendary as your look.