Long Blue Prom Dresses
You + long blue prom dresses = a match made in prom night heaven. Whether you’re channeling major mermaid energy or just want to make jaws drop, these dreamy blue gowns are here to help you steal the spotlight. From midnight navy to sky-high blue, your perfect shade is waiting to make your entrance unforgettable. Get ready to twirl, pose, and own every second—because when you show up in long blue prom dresses, the party doesn’t start until you walk in.
$84.90 - $89.90
A navy blue satin formal dress with a lace-up back and high-cut front slit.
$154.90
A light blue beaded sequin formal dress featuring a cowl neckline and high slit for elegance.
$74.90
A sophisticated navy blue mermaid dress featuring a tie-back design and high front slit.
$77 $109.90 30% off
A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.
$79.90
A royal blue satin mermaid dress featuring a halter neckline, open cross-back, and high front slit.
$79.90
A stunning royal blue formal dress featuring a lace-up back and high side slit.
$19.97 $59.90 67% off
A navy blue satin dress featuring a form-hugging silhouette, square neckline, and high front slit.
$109.90 - $149.90
A light blue mermaid dress with sequin-scroll mesh, padded bust, and lace-up back for formal events.
$79.90
A navy blue mermaid formal dress with glitter knit fabric, cowl neckline, and high front slit.
$59.90
A navy blue strapless mermaid dress in smooth knit fabric featuring a high front slit and padded cups.
$99.90
A navy blue mermaid dress featuring sequin embroidery, lace-up back, and a high front slit.
$79.90
A navy blue mermaid dress featuring sequin floral embroidery, a corset bodice, and lace-up back.
$69.90
A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.
$69.90
An elegant navy blue mermaid dress with an open back and ruched seams for formal occasions.
$89.90
A light blue knit dress featuring a burnout floral pattern, cowl neckline, and ruched mermaid silhouette.
$169.90
A light blue mesh mermaid dress featuring bead sequins, lace-up back, and high front slit.
$19.97 $79.90 75% off
A light blue mermaid formal dress with a ruched silhouette and adjustable spaghetti straps.
$89.90
A navy blue sequin-embellished formal dress featuring a lace-up back, high front slit, and V-neckline.
$109.90
A royal blue mermaid gown featuring rhinestone embellishments, a lace-up open back, and a high front slit.
$149.90
A stunning light blue mermaid dress with sequins, beading, and a flattering V-neckline.
$79.90
A navy blue strapless mermaid gown in smooth knit fabric with a ruched sweetheart bodice and open back.
$109.90
A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.
$59.90
A navy blue floral mesh mermaid dress featuring a lace-up back, ruched front, and high slit.
$59.90
A light blue strapless column dress in slinky knit fabric with pleated seams and a high side slit.
$59.90
A navy blue knit dress featuring a cowl neck, mermaid silhouette, lace-up back, and high front slit.
$79.90
A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.
$14.97 $69.90 79% off
A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.
$64.90
A royal blue satin dress with a lace-up back, V-neckline, and high front slit.
$99.90
A navy blue satin formal dress featuring a lace-up back and high slit for elegant occasions.
$69.90
A navy blue satin column gown featuring a pleated strapless neckline and a dramatic high side slit.
$59.90
A light blue strapless mermaid dress in glitter knit fabric with ruched sides and a floor-length hem.
$59.90
A light blue chiffon maxi dress featuring cascading ruffles, sultry cutouts, and a flowy silhouette.
$99.90
A blue glitter A-line formal dress with a corset bodice and high front slit.
$109.90
A navy blue A-line formal dress with floral glitter, sequins, and a lace-up back.
$69.90
An ethereal light blue mesh dress featuring off-the-shoulder ruffles and a high side slit.
$99.90
A light blue mermaid dress with sequin embroidery, cutout back, and high front slit.
$109.90
A light blue mesh dress featuring sequin floral details, strapless neckline, cutout back, and mermaid silhouette.
$59.90
A navy blue mesh mermaid dress featuring ruched detailing, a draped sweetheart neckline, and adjustable straps.
$69.90
A light blue mesh mermaid dress featuring a satin sweetheart neckline, ruched bodice, and tie-back detail.
$76.90
A navy blue mermaid formal dress featuring a chiffon tie-back and floral velvet pattern.
$119.90
A royal blue mermaid dress with sequin embroidery, lace-up back, and high front slit.
$119.90
A light blue mermaid gown featuring a rhinestone mesh corset, cowl neckline, and open back.
$129.90
A navy blue satin mermaid gown featuring a sequin-embellished sheer mesh corset and high front slit.
$59.90
A navy blue chiffon gown featuring a halter cowl neckline, open back, and elegant floor-length silhouette.
$19.97 $59.90 67% off
A navy blue velvet mermaid gown featuring a sweetheart cowl neck, lace-up back, and ruched detailing.
$99.90
A navy blue mermaid gown adorned with floral sequins, featuring a lace-up back and high front slit.
$89.90
A navy blue glitter A-line gown featuring an off-the-shoulder sweetheart neckline and high front wrap slit.
$119.90
A royal blue sequin mermaid dress with a plunge V-neckline and adjustable spaghetti straps.
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Windsor Mayra Formal Satin Slit Long Dress in Navy Blue-2
$19.97 $59.90
67% off
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 Navy Blue-2 | Size: XS | 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: M | Rhinestone
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 Cheyenne Formal One-Shoulder Velvet Dress in Black
$19.97 $59.90
67% off
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 | Size: S | Rhinestone/Velvet 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:Formal dances, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Pink-2 | Size: XXS | Knit Fabric/Mesh Fabric/Mesh Fabric
Designed to be eyed up and down, the Shayla long formal dress brings the sultry heat to any black-tie occasion! A curved neckline and sheer mesh lace corset bodice create a sophisticated silhouette, while the lace-up back provides a personalized fit. Fit & FeaturesSheer mesh, smooth knit fabric, Lace corset bodice, flexible boning, padded bra cups, Lace-up, back zipper with hook-eye closure, Floor-length fitted silhouette, high front wrap slit, Runs true to size, Where to Wear:Formal dances, black-tie galas, red-carpet occasions, and big birthday events, weddings, bridal showers, engagement parties, rehearsal dinners. Free Shipping on All Orders Over $75. | Windsor Shayla Strapless Corset Lace Formal Dress in Red | Size: S | Knit Fabric/Sheer Mesh Fabric
Look your best for a fancy night in the stunning Amirah formal glitter dress! Fashioned with an eye-catching cross back, this dress will make you feel like the star of the evening with a high slit and floor-length column silhouette. Fit & FeaturesGlitter knit fabric, moderate stretch, Sleeveless cowl neckline, Spaghetti straps, cross back, Side pleated seam, slim silhouette, high front slit, Floor-length column silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Prom, black-tie weddings, galas, and upscale birthday events. Free Shipping on All Orders Over $75. | Windsor Amirah Formal Glitter Cowl Neck Column Dress in Green | Size: XS | Knit 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
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 Brown | Size: XS | Knit Fabric/Mesh Fabric
Stunning for brides and celebrations, the Savannah formal crepe dress showcases simplicity and chicness! With a form-hugging silhouette and sultry high front slit, this formal dress is perfect for an evening of elegance. Fit & FeaturesLined crepe fabric, moderate stretch, Sleeveless square neckline, tank-style straps, Back zipper and hook-eye closure, Form-hugging silhouette, Front high-cut slit, Floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, red-carpet events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Savannah Formal Crepe Long Dress in Black | Size: XS