Summer Wedding Guest Formal Dresses
Serving looks hotter than the dance floor? You know it. Our summer wedding guest formal dresses are here to make you the best-dressed plus one—no bouquet catch required. Whether you're RSVP-ing for a rooftop soirée or a dreamy garden ceremony, these dresses bring main character energy with every twirl, toast, and Insta story. Get ready to turn heads and break hearts—because showing up in style is basically your superpower.
$19.97 $69.90 71% off
A green satin formal dress featuring a cowl neckline, high slit, and slim-fit silhouette.
$59.90
A sage satin formal dress featuring a sleeveless square neckline, high-cut slit, and floor-length hem.
$59.90
A black velvet formal dress featuring a one-shoulder neckline, wired V-neck, and high side slit.
$69.90
A black floor-length formal dress with a glitter mesh overlay and a cowl neckline.
$59.90
A black glitter knit column dress featuring a cowl neckline, cross back, and high front slit.
$54.90
A brown mesh corset long dress with a sweetheart neckline and high side slit for formal events.
$49.90
A black crepe formal dress featuring a sleeveless square neckline and a high-cut front slit.
$54.90
A mauve satin maxi dress with a cowl neck, high slit, and sleek spaghetti straps.
$84.90
A stunning red satin column dress with a lace-up back, cowl neck, and high front slit.
$19.97 $59.90 67% off
A black satin midi dress with a pleated cowl neckline, midriff cutout, and high side slit.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and a high-cut slit.
$77 $109.90 30% off
A green sequin scroll dress with a plunging V-neckline and open lace-up back.
$54.90
An ivory satin midi dress with a corset seam bodice and pleated faux wrap hem.
$19.97 $49.90 60% off
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$64.90
A dreamy yellow strapless mesh dress with ruffle trim, high side slit, and slim silhouette.
$89.90
A stunning yellow gown with a lace-up back, thigh-high slit, and smooth stretchy knit fabric.
$64.90
A sleek black satin dress featuring a one-shoulder neckline, pleated side seam, and high front slit.
$69.90
A taupe satin strapless mermaid dress with a sweetheart neckline and chic pleated detailing.
$59.90
A sophisticated ivory mermaid dress featuring floral mesh, a lace-up back, and a high front slit.
$109.90
A stunning black sequin dress featuring a lace-up back, sweetheart neckline, and high front slit.
$64.90
A brown satin mermaid dress featuring a lace-up back, spaghetti straps, and a flattering V-neckline.
$59.90
An elegant olive green knit dress featuring a strapless neckline, pleated seams, and a high side slit.
$19.97 $59.90 67% off
A sage glitter knit formal dress with a cowl neckline and thigh-high side slit.
$64.90
A burgundy knit mermaid dress featuring a scoop neckline, open back, and high front slit.
$19.97 $69.90 71% off
A mauve glitter mermaid dress with adjustable straps, perfect for weddings and formal events.
$69.90
A burgundy satin formal dress featuring an off-the-shoulder neckline and a front wrap slit.
$89.90
A glamorous yellow mermaid dress with glitter knit fabric, ruching, and a stylish lower back cutout.
$74.90
A black satin mermaid dress featuring cold-shoulder sleeves, ruched sides, and a dramatic floor-length hem.
$19.97 $59.90 67% off
A sleek eggplant column dress with a cutout accent and high side slit for sultry allure.
$99.90
A light blue floral jacquard skater dress featuring a corset bodice, metallic threading, and hidden pockets.
$38.90
A sage green knit midi dress featuring a sleeveless square neckline, ruching, and a flared hanky hem.
$74.90
An elegant red glitter knit mermaid dress with an off-the-shoulder neckline and high front slit.
$119.90
A stunning brown satin formal dress with sequin scroll pattern and dramatic lace-up open back.
$89.90
A chambray glitter knit mermaid dress with a lace-up back and high side slit.
$159.90
A lavender strapless formal dress with beaded mesh, cowl neckline, and high front slit.
$79.90
A stunning white mermaid dress with faux pearl embellishments and a cold shoulder neckline.
$59.90
A light blue satin halter dress featuring an open back, cowl accent, and high front slit.
$59.90
A black crepe mermaid dress with a square halter neckline and elegant high front slit.
$109.90
A black mermaid formal dress featuring floral soutache trim and a captivating lace-up back.
$15.97 $59.90 73% off
An orange strapless bodycon dress with ruched mesh fabric and a center back slit for elegance.
$19.97 $69.90 71% off
A strapless navy blue mermaid dress in shimmering satin glitter fabric with a pleated bodice.
$49.90
A mocha satin midi dress featuring a halter neckline, low cowl back, and elegant front slit.
$79.90
A navy blue mermaid formal dress featuring a lace open back and side ruched seams.
$89.90
A sultry green satin mermaid dress featuring a lace corset bodice and high front slit.
$19.97 $79.90 75% off
An elegant strapless satin dress in gold with a mermaid silhouette and high wrap slit.
$19.97 $59.90 67% off
A sage satin slim-fit formal dress featuring a corset bodice, faux wrap-front, and ruched detailing.
$19.97 $49.90 60% off
A radiant red satin midi dress with a corset bodice, adjustable straps, and a wrap slit.
$69.90
A green satin strapless column gown featuring a pleated neckline and a dramatic high side slit.
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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
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: XS | 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
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
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 Black | Size: S | Knit Fabric/Sheer Mesh Fabric