Floor Length Purple Prom Dresses
Floor length purple prom dresses are your ticket to a main character moment—think bold entrances, endless twirls, and a vibe that’s nothing short of magical. Whether you’re channeling royal energy or just want to stand out from the crowd, these stunning silhouettes are here to make sure all eyes stay on you. From deep violets to soft lilacs, there’s a shade for every mood and every selfie angle. Ready to steal the spotlight? Your unforgettable night starts right here.
$14.97 $129.90 88% off
A lavender sequin mermaid dress with adjustable straps and padded cups for a glamorous formal look.
$129.90
A lavender lace formal dress featuring a halter corset bodice and a high front slit.
$59.90
A chic lavender satin dress with a form-fitting silhouette and high slit for upscale events.
$54.90
A lavender mesh corset column dress featuring a sweetheart neckline and high-side slit for elegance.
$119.90
A lavender sequin mermaid dress with a lace-up back, perfect for prom and formal events.
$159.90
A lavender strapless formal dress with beaded mesh, padded cups, and a high front slit.
$59.90
A sleek eggplant column dress with a cutout accent and high side slit for sultry allure.
$199.90
A lavender A-line ball gown with a lace applique corset bodice and adjustable spaghetti straps.
$129.90
An ethereal lavender A-line dress with glitter tulle, sweetheart neckline, and tie-shoulder straps.
$154.90
A lavender beaded sequin formal dress featuring a cowl neckline, high slit, and adjustable straps.
$99.90
A lavender mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.
$79.90
A strapless lavender mermaid dress with a glittery finish and a high front wrap slit.
$29.97 $99.90 70% off
A lavender formal dress with iridescent sequins, lace-up back, and high side slit.
$69.90
A plum mermaid formal dress with a halter neckline, abstract print mesh, and padded bra cups.
$79.90
A sleek lavender mermaid dress with a ruched silhouette and adjustable spaghetti straps.
$69.90
A lavender glitter formal dress with a cowl neckline, high slit, and curve-hugging fit.
$79.90
A stunning lavender formal dress featuring a lace-up cowl back and high front slit.
$129.90
A lavender lace mermaid dress with a V-neckline, low back, and floor-length hem.
$69.90
A lavender mesh off-the-shoulder dress with ruched seams and a mermaid silhouette for formal events.
$89.90
A lavender mermaid gown with a lace-up back and glitter lurex fabric for formal occasions.
$19.97 $69.90 71% off
A lavender mermaid dress with glitter knit fabric, V-neckline, and high front slit for formal events.
$79.90
A lavender glitter formal dress featuring a lace-up back and elegant mermaid silhouette.
$109.90
A lavender lace mermaid dress featuring a corset bodice, sweetheart neckline, and adjustable spaghetti straps.
$69.90
A purple stretch lace bodycon dress featuring a sweetheart neckline, cutout back, and high side slit.
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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
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! 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: S | Knit 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
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 Sage | Size: L | 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 Brown | Size: M | Knit Fabric
Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit 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
Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | 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 Sage | Size: XS | Satin Fabric
Floor Length Purple Prom Dresses
When it comes to making an entrance, nothing says “main character moment” like a floor length purple prom dress. There’s something about this color—whether you’re drawn to deep, dramatic violets or soft, dreamy lavenders—that instantly sets you apart and makes you feel like you’re living in your own fairytale. Maybe you’re the girl who’s been dreaming about her prom since freshman year, or maybe you’re the one who decided last minute to go all out just because you can (iconic, honestly). Either way, slipping into a floor-skimming purple gown isn’t just about getting dressed up; it’s about embracing your spotlight and letting your confidence take center stage. These dresses have a way of transforming every hallway into a runway and every photo op into a memory you’ll want to relive on repeat. Whether you’re twirling under disco balls or owning the dance floor with your squad, a purple prom dress is the ultimate power move for anyone who’s ready to turn heads and collect compliments like it’s their side hustle.
Choosing your perfect floor length purple prom dress is all about dialing into your personal vibe and the kind of energy you want to bring to the party. If you’re all about that regal, show-stopping glam, a rich amethyst or plum hue with a dramatic train or a little sparkle will have you channeling serious queen energy. For the romantic at heart, a flowy windsor lavender dress with delicate details or a soft tulle skirt feels like something straight out of a modern fairy tale. These dresses aren’t just for prom night, either—they’re a go-to for any formal event where you want to look unforgettable, from banquets to black-tie galas (or even as a bridesmaid, if your bestie’s vision board is all about that purple palette). And let’s be real: gifting a purple windsor dress to your favorite glam girl is guaranteed to earn you BFF status for life. There’s something about the way these dresses catch the light, the way the fabric moves with you, that just feels magical—like you’re not just wearing a dress, you’re wearing a whole mood.
When you’re shopping for your dream dress, keep in mind the little details that make all the difference. Think about the silhouette that makes you feel like your best self—whether that’s a sleek, curve-hugging fit, a princess-worthy ballgown, or a flowy A-line that lets you dance without limits. Don’t sleep on the power of accessories, either: a killer pair of heels, some sparkly earrings, and a clutch that holds all your essentials (phone, lip gloss, emergency snacks—priorities, babe) can take your look to the next level. And if you’re feeling inspired by all things lavender, don’t miss out on exploring our collection of Floor Length Lavender Bridesmaid Dresses for even more ways to bring that dreamy, purple energy to every celebration. Whether you’re going bold with jewel tones or keeping it soft and sweet, floor length purple prom dresses are the secret weapon for every Windsor girl who’s ready to make her night unforgettable, her memories golden, and her confidence totally unstoppable.