Semi Formal Event Attire
Semi-formal event attire is your ticket to showing up and showing off—because let’s be real, you’re not here to blend in. Whether it’s a night that calls for a little extra sparkle or a celebration where the dress code says “cute but classy,” we’ve got all the looks to help you own the room. Get ready to turn heads, snap some pics, and make memories in outfits that are as bold and unforgettable as you are.
$39.90
A sleek black satin midi dress with a cowl neck and faux-wrap silhouette for elegant occasions.
$59.90 - $64.90
A mauve knit mermaid dress featuring a cowl neck, lace-up back, and high front slit.
$89.90
A sage satin formal dress with a pleated cowl neck, high slit, and empire waistline.
$59.90
A chic lavender satin dress with a form-fitting silhouette and high slit for upscale events.
$39.90
A chic black crepe wrap dress with a plunging V-neckline and high front slit.
$9.97 $54.90 82% off
A luxurious burgundy satin gown with a high slit and cowl neckline for formal occasions.
$42.90
A navy blue knit midi dress with a sleeveless cowl neckline and chic high front slit.
$69.90
A black floor-length formal dress featuring a glitter mesh fabric, cowl neckline, and spaghetti straps.
$59.90
A glamorous black satin midi dress with a cowl neckline and adjustable spaghetti straps.
$39.90
A sultry black formal dress with rhinestone straps, high slit, and curve-hugging silhouette.
$26.90
A chic ivory block heel with faux leather and nubuck, featuring an ankle strap and cushioned insole.
$49.90
A black crepe formal dress featuring a sleeveless square neckline and a high-cut front slit.
$54.90
A stunning red mesh corset dress with a sweetheart neckline and high side slit for formal events.
$109.90 - $149.90
A stunning pink mermaid dress with a sequin-scroll pattern, V-neckline, and lace-up back.
$159.90
A strapless black mermaid dress featuring a lace corset bodice and high front wrap slit.
$36.90
An elegant natural off-the-shoulder midi dress with a stretchy knit fabric and flared hem.
$109.90
A dazzling yellow sequin-embroidered mesh dress with a mermaid silhouette and adjustable spaghetti straps.
$47.90
A lustrous blue satin skater dress with a sleeveless cowl neckline and spaghetti straps.
$77 $109.90 30% off
A stunning green sequin scroll dress with a lace-up back and mermaid silhouette for formal events.
$39.97 $119.90 67% off
A dazzling royal blue sequin dress with a cowl neck, open-back, and sultry front slit.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.
$119.90
A lavender sequin mermaid dress with a lace-up back, perfect for prom and formal events.
$149.90
A luxurious pink mesh formal dress adorned with faux pearl beading and a chic cowl neckline.
$9.97 $54.90 82% off
A brown glitter-knit mini dress with a cowl neckline and bodycon silhouette, perfect for formal events.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$70 $99.90 30% off
A glamorous gold off-the-shoulder gown with a high slit and shimmery lurex knit fabric.
$9.97 $62.90 84% off
A black sequin mini dress with a one-shoulder design, feather accent, and asymmetrical wrap hem.
$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.
$99.90
A strapless black sequin formal dress with a lace-up back, high slit, and A-line silhouette.
$64.90
A sage satin mermaid dress featuring a lace-up back and elegant floor-length hem.
$69.90
A lavender mesh off-the-shoulder dress with ruched seams and a mermaid silhouette for formal events.
$59.90
A sea foam floral lace mermaid dress with a lace-up back and high slit for formal occasions.
$29.97 $64.90 54% off
A chic white bodycon dress with mesh fabric and faux pearl embellishments, perfect for formal events.
$59.90
A dazzling yellow glitter knit formal dress with a high slit and floor-length silhouette.
$89.90
An orange bodycon dress with glitter polka dots, lace-up back, and adjustable spaghetti straps.
$99.90
A light blue bodycon dress with sequin-scroll pattern, draped beading, and adjustable spaghetti straps.
$69.90
A mauve glitter mermaid dress with adjustable straps, perfect for weddings and formal events.
$79.90
A yellow floral sequin mesh formal dress with a lace-up back and high side slit.
$119.90
A stunning brown satin formal dress featuring a sequin scroll pattern and dramatic lace-up back.
$119.90
An elegant denim tulle gown with glitter sequins, featuring an open strappy back and A-line silhouette.
$119.90
A lavender sequin formal dress with a V-neckline, adjustable straps, and a high front slit.
$109.90
A black sequin bodycon dress with a high slit, adjustable straps, and padded bust for formal events.
$99.90
A light blue floral jacquard skater dress featuring a corset bodice, metallic threading, and hidden pockets.
$64.90
A black satin formal dress featuring a lace-up back, high slit, and slim silhouette.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$29.97 $109.90 73% off
An orange sequin bodycon dress with a high neckline, open back, and high front slit.
Now Trending
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 Pink | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric
You'll shine in head-to-toe sequins on the Gabrielle formal dress boasting a lace-up back that stuns and a mermaid silhouette with a sultry high slit perfect for showing off your heels! Fit & FeaturesSequin-embroidery, mesh fabric, stretchy knit lining, Cowl neckline, adjustable spaghetti straps, Lace-up back, zipper and hook-eye closure, Form-hugging, mermaid silhouette, Front slit, floor-length hem, Runs true to size, Where to Wear:Prom, big birthday events, glamorous parties, and special occasions. Free Shipping on All Orders Over $75. | Windsor Gabrielle Formal Sequin Long Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric
Windsor Taisia Formal Sequin Scroll Dress in Green
$77 $109.90
30% off
Lace up in a formal dress that brings the shimmer to your special night. The Taisia dress features a plunging V-neckline, an open lace-up back, a lightly padded bust, and a curve-hugging mermaid silhouette and floor-length hem. The formal dress is composed of a sequin scroll pattern on mesh fabric with a stretchy knit lining. Complete your look with a chiffon wrap and heels. Fit & FeaturesSleeveless V-neckline, bungee spaghetti straps , Lightly padded bust , Open lace-up back, zipper, and hook-eye closure, Form-hugging, mermaid silhouette, floor-length hem, Sequin scroll mesh fabric, stretchy knit lining, Sticky bra optional, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Taisia Formal Sequin Scroll Dress in Green | Size: S | Chiffon/Knit Fabric/Mesh 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 Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric
Chic with an elegant bold flair, the Chandler sequin formal dress was made to bring the drama. The floor-length dress has an alluring open back with a strappy lace-up design for customizable wear and a high slit for effortless allure. Fit & FeaturesSheer mesh fabric, full knit lining, moderate stretch, Strapless sweetheart neckline, angled design, structured boning, Open back, strappy lace-up design, tie closure, Fitted bodice, high waist seam, lower back zipper, hook and eye closure, Floor-length hem, high front slit, A-line silhouette, Sequin embroidery, scroll pattern, Runs true to size, Where to Wear:Prom, black-tie galas, red-carpet events, and fancy soirees. Free Shipping on All Orders Over $75. | Windsor Chandler Strapless Lace-Up Sequin Formal Dress in Neon Orange | Size: XS | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Gorgeous sequins make the Lori formal dress a sexy standout! With an alluring strappy lace-up back, high front slit for movement, and a striking form-hugging silhouette. Fit & FeaturesSequin scroll mesh fabric, stretchy knit lining, Sleeveless sweetheart neck, spaghetti straps, Lace-up open-back design, lightly padded bust, Back zipper and hook-eye closure, Form-hugging silhouette, High-cut front slit, floor-length hem, Runs true to size, Where to Wear:Prom, black tie galas, big parties, birthday celebrations Free Shipping on All Orders Over $75. | Windsor Lori Formal Sequin Lace-Up Long Dress in Black | Size: M | Knit Fabric/Mesh Fabric/Mesh Fabric
Bring the sparkle to your evening in our sparkling Liana formal dress for homecoming or black tie galas. With a gorgeous sequin scroll, strappy back, and mermaid silhouette that accentuates your curves! Fit & FeaturesSequin scroll, mesh-lined fabric, minimal stretch, Sleeveless V-neckline, double-row of adjustable spaghetti straps, Padded bust, no bra required, Cross-strap back design, lower back zipper, hook and eye closure, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas and weddings, big birthday events Free Shipping on All Orders Over $75. | Windsor Liana Formal Sequin Scroll Mermaid Dress in Mint | Size: XS
Create the dreamiest vibe in the Lakelyn lace-up floral sequin mesh formal dress boasting a bodycon silhouette and a sultry high side slit for an alluring look! Fit & FeaturesSheer mesh fabric with knit lining, moderate stretch, Clear sequin embroidered floral pattern, Sleeveless sweetheart neckline, padded bust with underwire, Spaghetti straps, open back with lace-up straps, Lower back zipper with hook and eye closure, High side slit, bodycon silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, fancy date nights, big birthday events, engagement parties, rehearsal dinners Free Shipping on All Orders Over $75. | Windsor Lakelyn Lace-Up Floral Sequin Mesh Formal Dress in Yellow | Size: L | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Make a jaw-dropping entrance in the Marisol sequin satin formal dress at black-tie parties, weddings, or school dances! A square neckline and spaghetti straps accentuate the figure while the lace-up open back adds a touch of drama. The floor-length column silhouette flows into the front slit for movement, showcasing a mesmerizing sequin scroll pattern on luxurious satin fabric. Fit & FeaturesSequin scroll pattern, satin fabric lined with stretchy knit, Lace-up, Back zipper and hook-eye closure, Padded bra cups, Front slit, Column silhouette, Runs true to size, Where to Wear:Prom, galas, black-tie parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Marisol Lace-Up Column Sequin Satin Formal Dress in Brown | Size: S | Satin Fabric
Glittery sequins add undeniable shine to the Estella long formal dress perfect for prom or black-tie occasions! With a mesmerizing sequin scroll pattern on delicate mesh fabric, this gown is sure to receive many compliments. The V-neckline and padded bra cups provide a flattering fit, while the ruffle trim adjustable spaghetti straps and open back add an eye-catching detail. The column silhouette and high front slit create a stunning, figure-hugging look that captures all the attention. Fit & FeaturesSequin scroll pattern, mesh fabric with knit lining, Ruffle trim adjustable spaghetti straps, Padded bra cups, Back zipper and hook-eye closure, High front slit, Column silhouette, floor-length, Runs true to size, Where to Wear:Prom, formal weddings, galas, and black-tie events. Free Shipping on All Orders Over $75. | Windsor Estella V-Neck Column Long Sequin Formal Dress in Yellow | Size: M | Knit Fabric/Mesh Fabric/Mesh Fabric
Semi Formal Event Attire
When it comes to semi formal event attire, this is your time to shine—literally and figuratively. Whether you’re RSVP-ing to a rooftop engagement party, making your entrance at a sweet sixteen, or showing up to a work function that’s just fancy enough to call for a little extra effort, semi formal dressing is all about finding that perfect sweet spot between glam and effortless. Think of it as your invitation to play with personal style while still keeping it classy. This is where you get to experiment with statement silhouettes, bold accessories, and those little details that make an outfit unforgettable. The Windsor girl knows her power: she’s not afraid to turn heads with a curve-hugging midi one night, then switch it up with a flirty fit-and-flare the next. And if you’re shopping for someone else? Semi formal pieces make the ultimate gift for that friend who’s always booked and busy, the cousin who’s about to graduate, or even your favorite party host who deserves to feel like the main character. There’s something about gifting a piece that’s made for making memories—it’s like sending a little confidence boost, wrapped up with a bow.
Navigating the world of semi formal attire is all about reading the room and knowing your vibe. If you’re headed to a classic banquet hall, you might lean toward timeless elegance—think sleek lines, luxe fabrics, and just the right amount of sparkle. A garden soirée? That’s your cue to play with romantic touches like flowy skirts, delicate lace, or a pop of color that stands out against the greenery. And for those spontaneous nights when you get a “let’s go out” text at 5pm and need to be ready by 7, it’s all about having those go-to pieces in your closet that work for any occasion. The best part about Windsor semi formal dresses and separates is how easily they transition from one event to the next—just swap your heels for strappy sandals, add a statement clutch, or layer on some bold jewelry, and you’re golden. Pro tip: never underestimate the power of a killer fit. Take the extra time to find what makes you feel unstoppable, whether that’s a cinched waist, a dramatic neckline, or a skirt that swishes just right when you walk into the room. You’ll know it when you see it—the piece that makes you want to twirl in the mirror and text your bestie, “help, I’m obsessed.”
There’s a reason the Windsor girl keeps coming back for more: semi formal looks are the ultimate confidence boosters, designed for every RSVP, every dance floor, and every “I need to look amazing” moment. These are the pieces that become the backdrop to your favorite memories—posing for group pics, catching someone’s eye across the room, or just feeling like the best version of yourself, even if you’re only dressing up for you. And if you’re already dreaming about your next big event, don’t forget to check out the Holiday Formal Attire collection for even more inspo when the party season hits. Whether you’re shopping for yourself or picking out a gift that’ll have your bestie sending you heart eyes, semi formal attire is all about celebrating your unique style and making every moment a little more magical. So go ahead—own the room, make your entrance, and remember: you’re not just wearing a dress, you’re making a statement.