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.
$77 $109.90 30% off
A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.
$109.90
A glamorous navy blue mermaid dress with sequins, a lace-up back, and a thigh-high slit.
$109.90 - $149.90
A stunning light blue mermaid dress with sequin-scroll mesh, perfect for prom or formal events.
$59.90
A stunning royal blue satin dress with a corset bodice and high side slit for formal events.
$19.97 $79.90 75% off
A light blue mesh mermaid gown with faux pearl embellishments and a flattering sweetheart cowl neckline.
$89.90
A light blue glitter knit mermaid dress with ruching, a scoop neckline, and a stylish back cutout.
$119.90
A royal blue sequin mermaid dress with a plunge V-neckline and adjustable spaghetti straps.
$69.90
A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.
$59.90
A light blue floral lace mermaid dress with a lace-up back and high slit for formal events.
$109.90
An elegant navy blue satin gown with a cold shoulder design and sultry front slit.
$19.97 $69.90 71% off
A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.
$79.90
A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.
$129.90
An elegant navy blue ball gown featuring romantic ruffles, airy tulle, and a flattering A-line silhouette.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$19.97 $59.90 67% off
A sultry light blue mesh formal dress with a square neckline, high slit, and slim silhouette.
$64.90
A royal blue formal dress with a V-neckline, strappy back, and high side slit.
$59.90
A denim mesh formal dress with a sweetheart neckline, lace-up back, and flattering ruched silhouette.
$69.90
A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.
$119.90
A royal blue glitter formal dress featuring a lace-up back, high slit, and hidden pockets.
$89.90
A sophisticated navy blue satin dress with a strapless neckline and pleated mermaid silhouette.
$169.90
A light blue mermaid formal dress with bead sequins, lace-up back, and high front slit.
$119.90
A royal blue mermaid dress with sequin embroidery, lace-up back, and high front slit.
$76.90
A navy blue mermaid dress with a chiffon tie-back and floral velvet pattern for formal occasions.
$119.90
An iridescent light blue mesh mermaid dress featuring sequin embroidery, lace-up back, and a dramatic train.
$79.90
A light blue mermaid formal dress with a ruched silhouette and adjustable spaghetti straps.
$59.90
A navy blue velvet mermaid dress with a floral pattern, sleeveless cowl neckline, and high-side slit.
$79.90
A navy blue satin formal dress with a mermaid silhouette and high front slit for elegant occasions.
$59.90
A navy blue strapless mermaid dress in smooth knit fabric, featuring a high front slit and padded cups.
$69.90
A blue glitter formal dress with a cowl neckline, high slit, and adjustable spaghetti straps.
$139.90
A stunning blue A-line formal dress with jacquard pattern, metallic stitching, and lace-up back.
$164.90
A light blue mermaid formal dress featuring an embroidered corset bodice with sequins and rhinestones.
$149.90
A stunning light blue mermaid dress with sequins, beading, and a flattering V-neckline.
$19.97 $79.90 75% off
A captivating navy blue satin dress featuring a keyhole halter neckline and mermaid silhouette.
$19.97 $79.90 75% off
A navy blue satin dress with a plunging sweetheart neckline and pleated wrap silhouette.
$119.90
A light blue satin mermaid dress featuring a corset bodice, beaded applique, and sweeping side sash.
$19.97 $79.90 75% off
A royal blue glitter knit formal dress featuring a cutout design and high front slit.
$159.90
A navy blue satin A-line ball gown featuring a floral embroidered bodice and lace-up back.
$139.90
A royal blue sequin dress featuring a mermaid silhouette and an alluring open strappy back.
$154.90
A navy blue glitter mesh formal dress with a corset bodice and ruffled A-line silhouette.
$79.90
A stunning royal blue formal dress featuring a lace-up back and high side slit.
$154.90
A light blue glitter mesh formal dress featuring cascading ruffles and a high front slit.
$199.90
A royal blue glitter ball gown with a bustier lace-up bodice and floor-sweeping A-line silhouette.
$19.97 $59.90 67% off
A navy blue velvet wrap dress with glitter, ruching, and a high-slit for formal occasions.
$69.90
A royal blue glitter knit mermaid dress featuring a cowl neckline, lace-up back, and high front slit.
$79.90
A navy blue glitter mermaid dress with a plunge neckline and lace-up back for formal events.
$149.90
A navy blue formal dress featuring beaded embellishments, a high side slit, and a V-neckline.
$99.90
A stunning royal blue sequin dress with a lace-up back and mermaid silhouette for formal events.
$129.90
A captivating royal blue mermaid dress with sequin embellishments and a sheer sweetheart neckline.
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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 Sage | Size: S | 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: XS | Rhinestone
The Marissa long satin dress brings elegance and sultriness to your formal night. The floor-length gown enhances your curves with a fitted bodice and flattering A-line silhouette while the high front slit provides movement. Fit & FeaturesStretch-satin fabric, non-see-through, double-lined bust, Sleeveless pleated cowl neckline, spaghetti straps, Slim-fit bodice, empire waistline, High front slit, floor-length hem, A-line silhouette, Runs true to size, Where to Wear:Prom, weddings, black-tie soirees, special date nights, and engagement parties. Free Shipping on All Orders Over $75. | Windsor Marissa Formal Satin Cowl Neck Dress in Green | Size: S | Satin Fabric
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
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
Make a sparkly statement at your next soiree in the trendy glam Addison glitter formal dress! Bring radiance to the room in this floor-length dress with a sleek design that fits like a glove. Fit & FeaturesSheer glitter mesh fabric, full knit stretchy lining, Sleeveless cowl neckline, spaghetti straps, High waist seam, Floor-length fitted silhouette, Runs true to size, Where to Wear:Prom, black tie weddings, galas, special date nights, rehearsal dinner Free Shipping on All Orders Over $75. | Windsor Addison Glitter Mesh Formal Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh 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:Prom, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric
Sultry and stunning, the Alisha formal dress will keep all eyes on you. With thin rhinestone detailed straps that give effortless sparkle and a curve-hugging silhouette, and an alluring high slit. Fit & FeaturesLightweight, breathable stretchy fabric, Sleeveless cowl neckline, Rhinestone detailed straps, High waist seam, Floor-length hem, form-fitting silhouette, high slit, Runs true to size, Where to Wear:Prom, glamorous evenings, dinner parties, weddings Free Shipping on All Orders Over $75. | Windsor Alisha Rhinestone Strap Formal Dress in Black | Size: L | Stretchy Fabric/Rhinestone
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 Green | Size: M | Knit Fabric/Mesh Fabric
Long Blue Prom Dresses
When it comes to making a jaw-dropping entrance, nothing says “main character energy” like a long blue prom dress. Whether you’re channeling ice queen vibes or want to float across the dance floor like something out of your favorite fairytale, blue prom dresses bring that perfect mix of elegance and boldness. It’s the color of confidence, of midnight skies and electric dreams—basically, it’s the move for anyone who wants to stand out without even trying. The best part? Blue looks incredible on everyone. From deep sapphire to dreamy windsor light blue dress shades, there’s a hue for every skin tone, every mood, and every level of “I came to slay.” If you’re picking out your prom look, you know this isn’t just about the dress—it’s about the moment. Picture this: you, glammed up, hair and makeup on point, stepping into the room like you own it. That’s the energy a blue prom dress brings to the table. And let’s be real, you deserve a dress that matches your vibe—one that’s ready to keep up with every selfie, every spin on the dance floor, and every memory you’re about to make.
Choosing the right blue prom dress isn’t just about style (though, hello, we’re here for all the drama and sparkle). It’s about finding a fit that feels like it was made for you—hugging in all the right places, flowing where it needs to, and giving you that unstoppable confidence. Maybe you’re into sleek, curve-hugging silhouettes that make you feel like a Hollywood starlet, or maybe you’re all about that flowy, princess energy with layers of tulle and a little bit of twirl. Long blue prom dresses are basically the ultimate canvas for your personal style. Add a little shimmer, some bold accessories, and the right pair of heels, and you’re ready to go from pre-prom pics to the afterparty without missing a beat. And don’t even get us started on gifting—if you’ve got a sister, bestie, or cousin who’s about to have her big night, helping her pick out a windsor blue moment is basically the ultimate act of love. It’s more than a dress; it’s a confidence boost wrapped in tulle and sequins.
Windsors prom dresses are designed for the girl who’s ready to break hearts and turn heads, all while having the time of her life. Blue prom dresses are the go-to for anyone who wants to make a statement, whether you’re going for modern mermaid, classic glam, or full-on princess. And speaking of princess, if you’re dreaming of that magical, fairytale look, don’t miss our Light Blue Princess Prom Dresses collection—it’s basically made for that “I’m the main event” energy. No matter how you style it, a long blue prom dress is all about owning your moment. You’ve got the power, the style, and the squad behind you—now all you need is the dress that lets you shine.