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.
$49.90
A burgundy knit formal dress featuring a ruffled high slit, open back, and slim-fit silhouette.
$69.90
A green knit mermaid dress featuring a halter V-neckline and dramatic strappy open back.
$56.90
A sultry brown formal dress featuring a plunge halter neckline, open back bow, and high side slit.
$69.90
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.
$69.90
A captivating yellow mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.
$19.97 $79.90 75% off
A black glitter mermaid dress with an open strappy back and floor-length silhouette.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$79.90
A brown satin mermaid dress featuring a square neckline, padded cups, and an alluring open strappy back.
$69.90
A navy blue knit mermaid dress featuring a halter square neck and strappy tie-back design.
$38.90
A green glitter knit mini dress with a strappy open back and bodycon silhouette.
$69.90
A green satin midi dress with a lace-up back and faux wrap bodycon silhouette.
$19.97 $54.90 64% off
A lavender mesh corset column dress featuring a sweetheart neckline and high-side slit for elegance.
$14.97 $109.90 86% off
An orange sequin bodycon dress with a high neckline, open back, and high front slit.
$79.90
An elegant black satin mermaid dress featuring a halter neckline, open strappy back, and high front slit.
$19.97 $79.90 75% off
A mint column formal dress with an open back, ruched seams, and a high front slit.
$99.90
A stunning light blue formal dress with rhinestone embellishments, featuring a strapless neckline and cowl back.
$44.90
A black floral maxi dress featuring sheer mesh, a lace-up strappy back, and a form-hugging silhouette.
$119.90
A glamorous periwinkle sequin dress featuring a strappy open back and high front slit.
$79.90
A black glitter knit mermaid dress featuring a plunging halter neckline and dramatic open strappy back.
$44.90
A light blue lace midi dress featuring a low-cut back, square neckline, and form-hugging silhouette.
$19.97 $59.90 67% off
A stunning black lace dress featuring a high side slit and an elegant open-back design.
$19.97 $69.90 71% off
A stunning red mermaid dress featuring a sultry open back and high front slit.
$9.97 $59.90 83% off
A charming red gingham skater dress featuring an open back, ruffled hem, and lace-trimmed neckline.
$59.90
A black woven glitter knit mini dress with a strapless sweetheart neckline and detachable bow accent.
$84.90
A stunning black mermaid dress featuring a glitter knit fabric, strappy open back, and high slit.
$59.90
A pink floral organza skater dress featuring a lace-up corset bodice and voluminous tulle-lined silhouette.
$79.90
A peach formal dress featuring a lace-up cowl back, high front slit, and sweetheart neckline.
$79.90
A brown glitter formal dress featuring a strappy open back and high front slit for elegance.
$34.90
A flirty red mesh mini dress with rhinestone rose pattern and adjustable spaghetti straps.
$69.90
A chic green mermaid dress with an alluring open back and adjustable spaghetti straps.
$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.
$36.90
A green mini-length bodycon dress featuring a pleated sweetheart bust and open back with criss-cross straps.
$119.90
A glamorous orange mermaid dress featuring sequins, a lace-up back, and a high front slit.
$59.90
A yellow mesh mermaid dress with a ruched bodice, open back, and high slit.
$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.
$99.90
A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.
$64.90
A red floral lace mermaid dress featuring a sleeveless cowl neckline and dramatic open-back design.
$119.90
A stunning royal blue sequin dress featuring an open back, high front slit, and mermaid silhouette.
$52.90
A pink sequin mini dress with a square neckline and open-back spaghetti straps.
$19.97 $89.90 78% off
A shimmering red floor-length bodycon dress with an open back and high front slit.
$9.97 $49.90 80% off
A black velvet mini dress with a twist accent, open back, and chic side slit.
$139.90
A royal blue sequin dress featuring a mermaid silhouette and an alluring open strappy back.
$69.90
A stunning green mermaid dress with a strappy open back and smooth knit fabric.
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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
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
Sophistication meets sultry on the Marjorie formal dress perfect for cocktail parties and dressy family get-togethers. She features sheer chiffon peasant long sleeves, a square neckline, a bodycon silhouette, and a front ruched seam leading to the skin-flaunting slit along her midi-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Style with a chic clutch and heels to complete the look! Fit & FeaturesSheer chiffon peasant long sleeves, square neckline, Front ruched seam, slit detail, Bodycon silhouette, Midi-length hem, Lined crepe fabric, moderate stretch, Bra-friendly design, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marjorie Formal Chiffon Sleeve Midi Dress in White | Size: S | Chiffon/Crepe Fabric
A chic staple skater dress featuring a flirty off-the-shoulder folded neckline and a short-length perfect for styling with boots or heels. Fit & FeaturesRibbed knit fabric with plenty of stretch, Off-the-shoulder neckline, fold-over accent, Long fitted sleeves, Short-length hem, Skater silhouette, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Chic Staple Ribbed Knit Skater Dress in Black | Size: M | Knit Fabric
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: L | Knit 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 Lavender | Size: XS | Knit Fabric/Mesh Fabric/Mesh 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
Bring the romantic allure to the evening affair in the Marylou lace mesh plunge formal dress! She embodies flirtatious style in a sleeveless plunge V-neckline with a built-in padded bust and adjustable spaghetti straps on her empire waist bodice. The sparkly embroidered lace mesh fabric effortlessly flows into a floor-length silhouette with a high-side slit to showcase some legs. She also features a curve-conscious silhouette to flaunt your stunning figure! Complete the look in an elegant hair clip. Fit & FeaturesPlunge V-neckline, adjustable spaghetti straps, Adhesive bra recommended, built-in padded bust, High side slit, back zipper, hook and eye closure, Empire waist, form-fitting silhouette, Floor-length hem, Sparkly embroidered lace mesh fabric, full knit lining, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marylou Lace Mesh Plunge Neck Formal Dress in Black | Size: L | Knit Fabric/Mesh Fabric/Mesh 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 Green | 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 Brown | Size: L | Satin Fabric
Open Back Wedding Guest Dresses
When it comes to making a statement at any wedding, nothing says “main character energy” quite like open back wedding guest dresses. These stunners are basically a love letter to confidence, letting you show off a little skin and a lot of style—without ever upstaging the bride (because you’re a respectful queen, obviously). Whether you’re heading to a chic rooftop soirée or a dreamy garden ceremony, slipping into an open back dress for a wedding guest moment is like turning your RSVP into a fashion power move. Picture this: you walk in, your hair swept up to show off that dramatic back detail, and suddenly you’re the muse for every candid photo. Open back dresses for wedding guests are all about that perfect mix of elegance and a hint of mischief—like you might sneak out onto the dance floor before dinner’s even served.
Choosing the right open back dress is all about finding your vibe and matching the wedding’s energy. If you’re shopping for yourself, think about the details that make you feel unstoppable—maybe it’s a delicate tie-back, a bold plunge, or a subtle drape that catches the light when you spin. These dresses are designed for the girl who knows how to turn a hallway into a runway, but they’re also a killer gift for your bestie who’s got a packed wedding calendar and nothing to wear. Open back wedding guest dresses are a go-to for anyone who wants to keep cool while looking fire, especially when the weather’s warm and the dance floor is calling your name. Imagine catching a breeze as you twirl under fairy lights, feeling both effortless and unforgettable. Pro tip: pair your dress with statement earrings or a delicate body chain to level up the drama, and don’t forget a little shimmer on your shoulders for that “glowing from within” effect.
No matter your personal style, open back dresses for wedding guests are the ultimate way to serve a look that’s equal parts daring and sophisticated. They work for every dress code, from black-tie glam to laid-back destination vows, and they’re a total win for anyone who wants to keep their look fresh and unexpected. If you’re feeling bold and want to show off those legs, check out our Open Back Mini Dresses For Weddings for even more inspo. Because let’s be real—life’s too short for boring dresses, and every wedding is another excuse to remind the world you’re that girl. Whether you’re catching the bouquet or just catching up with your crew, an open back dress guarantees you’ll be remembered long after the last dance.