Mermaid Silhouette Dresses
Dive into the enchanting world of mermaid silhouette dresses, where every step you take feels like a graceful glide across the ocean floor. These stunning dresses hug your curves in all the right places, creating that irresistible hourglass shape that turns heads and captures hearts. Whether you're making waves at a glamorous gala or stealing the spotlight at prom, these dresses are your ticket to a fairytale moment. Channel your inner siren with styles that shimmer and shine, leaving a trail of awe and admiration wherever you go. With mermaid silhouette dresses, you're not just wearing a dress—you're making a splash!
$64.90
An elegant green satin mermaid dress with a lace-up back and flattering V-neckline.
$64.90
An elegant black glitter knit mermaid dress with a cowl neckline, open back, and front slit.
$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.
$77 $109.90 30% off
A green sequin scroll dress with a plunging V-neckline and open lace-up back.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$119.90
A glamorous lavender mermaid dress with sequin scrolls, lace-up back, and high slit.
$84.90
A pink glitter knit mermaid dress featuring a bow-back design and floor-length train for formal occasions.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$69.90
A taupe satin strapless mermaid dress with a sweetheart neckline and chic pleated detailing.
$99.90
A mint sequin scroll mermaid dress with a strappy back, perfect for prom or black-tie events.
$59.90 - $64.90
A pink knit mermaid dress with a cowl neck, lace-up back, and high front slit.
$89.90
An elegant black mermaid dress with a folded off-the-shoulder neckline and dramatic high front slit.
$69.90
A periwinkle mesh off-the-shoulder dress with ruched seams and a mermaid silhouette.
$59.90
A lime yellow mesh mermaid dress with ruched seams and adjustable straps for formal occasions.
$79.90
A light blue mermaid gown with faux pearl mesh, sweetheart neckline, and adjustable spaghetti straps.
$69.90
A navy blue mermaid dress with a cowl neckline, crisscross back, and dramatic high front slit.
$59.90
A sea foam floral lace mermaid dress with a lace-up back and high slit for formal occasions.
$89.90
A light blue glitter knit mermaid dress with ruching, spaghetti straps, and a lower back cutout.
$69.90
A burgundy knit formal dress with a lace-up back, ruching, and a mermaid silhouette.
$69.90
A mauve mermaid silhouette dress with glitter fabric and adjustable spaghetti straps for formal events.
$74.90
A red glitter knit mermaid dress with an off-the-shoulder neckline and high front wrap slit.
$69.90
A strapless navy blue mermaid dress in shimmering satin glitter with a pleated bodice and high slit.
$77 $109.90 30% off
A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.
$79.90
A stunning white mermaid dress with faux pearl embellishments and a cold shoulder neckline.
$19.97 $69.90 71% off
A pink glitter knit mermaid dress with a lace-up back and high front slit.
$89.90
A glamorous light blue mermaid dress with rhinestone and pearl embellishments on lined mesh fabric.
$149.90
A lavender mermaid dress with sequin floral embroidery and a lace-up back for a fairytale look.
$62.90
A chic green mermaid dress with a cold-shoulder design, sweetheart neckline, and high front slit.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$79.90
A sophisticated green off-the-shoulder mermaid dress featuring a sultry wrap slit and padded cups.
$69.90
A black glitter crepe knit mermaid dress with a cutout bodice and high front wrap slit.
$79.90
A sultry navy blue mermaid 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 sage mermaid gown with glitter lurex fabric, lace-up back, and dramatic floor-length hem.
$19.97 $59.90 67% off
A black sleeveless mermaid dress featuring a lace-up back and high-low ruffled hem.
$64.90
A green glitter knit mermaid dress with ruching, a high slit, and a curve-hugging silhouette.
$84.90
A glamorous denim satin glitter dress with a cowl neckline and mermaid silhouette for formal occasions.
$119.90
A stunning pink mermaid dress with sequin beaded embroidery and a satin strapless pleated neckline.
$74.90
A sophisticated navy blue mermaid dress with a tie-back design and high front slit for allure.
$139.90
A pink mermaid silhouette dress with sequin-beaded bow pattern and chiffon tie-back design.
$64.90
An olive mermaid formal dress with a cowl neckline and elegant open tie-back design.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$69.97 $149.90 53% off
A lavender mermaid dress adorned with beaded pearls, featuring a lace-up back and floor-length hem.
$69.90
A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.
$69.90
A captivating blue mermaid dress with glitter fabric, open back, and sweetheart neckline for formal events.
$69.90
A green off-the-shoulder mermaid dress with glitter fabric, ruched bust, and high front slit.
$84.90
An enchanting black mermaid dress with glitter mesh, ruffle-back, and adjustable spaghetti straps.
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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 Dresses
If you’ve ever dreamed of making a jaw-dropping entrance, the mermaid silhouette is your golden ticket. This iconic style hugs every curve and then flares out dramatically below the knee, striking that magical balance between sultry and sophisticated. Whether you’re prepping for prom, sliding into the spotlight at a gala, or just looking for an excuse to be the main character at your next big event, mermaid dresses are the ultimate confidence booster. Picture this: you step into the room, each stride accentuated by that signature flare, and suddenly every head turns your way. That’s the power of a mermaid silhouette—it’s not just a dress, it’s a whole vibe. And let’s be honest, everyone deserves to feel like the star of their own movie, even if it’s just for one epic night.
Choosing the right mermaid dress is all about embracing your inner goddess (and maybe channeling a little red carpet energy). The fit is key—snug through the bodice and hips, with just enough stretch to let you dance, twirl, and absolutely own the night. If you’re gifting a mermaid dress, you’re basically handing someone the keys to their own Cinderella moment. Think milestone birthdays, graduation celebrations, or even bridesmaid duties where standing out is part of the plan. For the bold and the fearless, details like glittering fabric, dramatic bow backs, and daring necklines dial up the drama. The gwendolyn glitter knit bow-back mermaid dress from windsor is a prime example, serving up sparkle and sass with every step. If you’re all about that extra shimmer, a style like the gwendolyn glitter knit bow back mermaid dress from windsor is your go-to for making memories (and collecting compliments). Pair your mermaid dress with sky-high heels, a swipe of gloss, and your favorite playlist for a night that’s as unforgettable as your look.
There’s something about slipping into a mermaid silhouette that just transforms your energy—suddenly you’re walking taller, smiling brighter, and ready for whatever adventure the night brings. These dresses aren’t just for formal affairs, either. They’re for every Windsor girl who wants to make an ordinary moment feel extraordinary, who believes that a little drama is always a good idea, and who knows that confidence is the best accessory. If you’re on the hunt for more inspo or want to browse even more show-stopping options, check out our curated collection of Mermaid Formal Dresses. Get ready to turn every entrance into a main event—because you were born to stand out.