Open Back Wedding Guest Dresses
Open back wedding guest dresses are the ultimate RSVP power move—turning every entrance (and exit) into a moment. Ready to steal the spotlight without upstaging the bride? These daring looks are made for dancing under the stars and catching all the right glances. Whether you’re vibing with flirty cutouts or dramatic reveals, your outfit is about to be as unforgettable as the celebration itself. Time to show off a little and bring that main character energy to every “I do” afterparty.
$84.90
A glamorous black glitter knit mermaid dress with a bow-back and floor-length train.
$64.90
A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.
$56.90
A sultry brown formal dress featuring a plunge halter neckline, open back bow, and high side slit.
$79.90
A black glitter knit mermaid dress featuring a plunging halter neckline and dramatic open strappy back.
$89.90
A stunning yellow gown with a lace-up back, thigh-high slit, and smooth stretchy knit fabric.
$19.97 $38.90 49% off
A green glitter knit mini dress with a strappy open back and bodycon silhouette.
$19.97 $69.90 71% off
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$79.90
A glamorous black glitter mermaid dress featuring an open back and high front slit.
$64.90
A red floral lace mermaid dress featuring a sleeveless cowl neckline and dramatic open-back design.
$79.90
A brown satin mermaid dress featuring a square neckline, padded cups, and an alluring open strappy back.
$49.90
A burgundy formal dress with a ruffled high slit, open back, and sleek knit fabric.
$79.90
A navy blue mermaid formal dress featuring a lace open back and side ruched seams.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$79.90
A brown glitter formal dress featuring a strappy open back and high front slit for elegance.
$59.90
A yellow mesh mermaid dress with a ruched bodice, open back, and high slit.
$69.90
A chic green mermaid dress with an alluring open back and adjustable spaghetti straps.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.
$54.90
A brown mesh corset long dress with a sweetheart neckline and high side slit for formal events.
$69.90
A rust-colored knit mermaid dress featuring a halter V-neckline and striking strappy open back.
$69.90
A captivating yellow mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.
$119.90
A glamorous periwinkle sequin dress featuring a strappy open back and high front slit.
$79.90
A lavender formal dress featuring a lace-up cowl back, high front slit, and form-hugging silhouette.
$119.90
A stunning royal blue sequin dress featuring an open back, high front slit, and mermaid silhouette.
$69.90
A stunning green mermaid dress with a strappy open back and smooth knit fabric.
$19.97 $59.90 67% off
A captivating black long dress with a plunging V-neckline, open back, and high side slit.
$59.90
A brown woven floral maxi dress with flutter sleeves, open back, and a draped, fitted A-line silhouette.
$29.97 $69.90 57% off
A purple stretch lace bodycon dress featuring a sweetheart neckline, cutout back, and high side slit.
$19.97 $119.90 83% off
A lavender sequin mermaid dress with a lace-up back, perfect for prom and formal events.
$79.90
A black mini dress with faux pearl embellishments, featuring a cowl neckline and open-back design.
$109.90
A stunning black sequin dress with a lace-up back, sweetheart neckline, and high front slit.
$129.90
A dazzling red mermaid dress with sequin embellishments and a plunge halter V-neckline.
$54.90
A navy blue floral satin dress with a lace-up back and flirty A-line silhouette.
$36.90
A green knit mini dress featuring a halter neckline, open back, and pleated sweetheart bust.
$89.90
A dazzling red glitter knit formal dress with a scoop neckline and revealing open back.
$99.90
A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.
$59.90
A black woven glitter knit mini dress with a strapless sweetheart neckline and detachable bow accent.
$99.90
A red formal dress with rhinestone embellishments, strapless neckline, and sultry cowl back design.
$34.97 $84.90 59% off
A stunning black mermaid dress featuring a glitter knit fabric, strappy open back, and high slit.
$44.90
A black floral maxi dress featuring sheer mesh, a lace-up strappy back, and a form-hugging silhouette.
$84.90
A silver metallic mermaid dress with a cowl neckline and open strappy back for formal events.
$119.90
A glamorous orange mermaid dress featuring sequins, a lace-up back, and a high front slit.
$44.90
A light blue lace midi dress featuring a low-cut back, square neckline, and form-hugging silhouette.
$14.97 $54.90 73% off
A black velvet mini dress with a cowl neckline, open-back design, and adjustable spaghetti straps.
$69.90
A sultry red mini dress with sequin lace, open back, and adjustable spaghetti straps.
$49.90
An open-back halter mini dress in smooth pink satin with an A-line silhouette and self-tie detail.
$34.90
A flirty red mesh mini dress with rhinestone rose pattern and adjustable spaghetti straps.
$139.90
A royal blue sequin dress featuring a mermaid silhouette and an alluring open strappy back.
$9.97 $49.90 80% off
A black velvet mini dress with a twist accent, open back, and chic 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: M | 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: M | 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
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 Light Blue | Size: L | 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 Red | Size: M | 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 Red | Size: XS | Knit Fabric/Mesh Fabric