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.
$79.90
A navy blue mermaid formal dress featuring a lace open back and side ruched seams.
$69.90
A green knit mermaid dress featuring a halter V-neckline and dramatic strappy open back.
$49.90
A burgundy formal dress with a ruffled high slit, open back, and sleek knit fabric.
$14.97 $56.90 74% off
A glamorous green formal dress featuring a backless design, thigh-high slit, and stretchy knit fabric.
$59.90
A navy blue satin formal dress featuring a halter neckline, open back, and high front slit.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$79.90
A black satin mermaid dress featuring a halter neckline, open cross-back straps, and a high front slit.
$69.90
A green satin midi dress with a lace-up back and faux wrap bodycon silhouette.
$84.90
A glamorous black glitter knit mermaid dress with a bow-back and floor-length train.
$89.90
A dazzling periwinkle skater dress featuring sequin lace-mesh fabric and an open lace-up back.
$89.90
A dazzling red glitter knit dress with a scoop neckline, open back, and floor-length hem.
$34.90
A red bodycon mini dress featuring a low tie back and a front slit in stretchy knit fabric.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$69.90
A stunning yellow mermaid dress with a glitter finish and sultry open back for formal events.
$99.90
A stunning light blue formal dress with rhinestone embellishments, featuring a strapless neckline and cowl back.
$19.97 $79.90 75% off
A black velvet mermaid dress featuring an open back with faux pearls and a dramatic sash.
$56.90
A sultry brown formal dress featuring a plunge halter neckline, open back bow, and high side slit.
$54.90
A lavender mesh corset column dress featuring a sweetheart neckline and high-side slit for elegance.
$79.90
A black mini dress with faux pearl embellishments, featuring a strappy open-back and bodycon silhouette.
$109.90
A stunning black sequin dress featuring a lace-up back, sweetheart neckline, and high front slit.
$38.90
A lavender glitter mini dress with a strappy open back and bodycon silhouette for stunning nights.
$14.97 $109.90 86% off
An orange sequin bodycon dress with a high neckline, open back, and high front slit.
$54.90
A navy blue floral satin dress with a lace-up back and flirty A-line silhouette.
$14.97 $119.90 88% off
An iridescent pink sequin dress with a lace-up back and floor-length mermaid silhouette.
$79.90
A mint column formal dress with an open back, ruched seams, and a high front slit.
$64.90
A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.
$39.90
A white floral bodycon midi dress featuring a halter V-neck and a crisscross open back.
$59.90
A charming red gingham skater dress featuring an open back, ruffled hem, and lace-trimmed neckline.
$84.90
A silver metallic mermaid dress with a cowl neckline and open strappy back for formal events.
$36.90
A green knit mini dress featuring a halter neckline, open back, and pleated sweetheart bust.
$119.90
A glamorous periwinkle sequin dress featuring a strappy open back and high front slit.
$44.90
A black floral maxi dress featuring sheer mesh, a lace-up strappy back, and a form-hugging silhouette.
$89.90
A stunning red formal dress with sequin beading, high slit, and open lace-up back.
$59.90
A black woven glitter knit mini dress with a strapless sweetheart neckline and detachable bow accent.
$119.90
A glamorous orange mermaid dress featuring sequins, a lace-up back, and a high front slit.
$79.90
A glamorous black mermaid dress featuring glitter knit fabric, open back, and a high front slit.
$19.97 $64.90 69% off
A wine glitter mini dress with a cowl neckline and rhinestone strap for a glamorous look.
$79.90
A black glitter mermaid dress with an open strappy back and floor-length silhouette.
$49.97 $149.90 67% off
A glamorous periwinkle sequin dress with a sultry open back and flattering mermaid silhouette.
$69.90
A sultry red mini dress with sequin lace, open back, and adjustable spaghetti straps.
$52.90
A black sequin mini dress featuring a halter V-neckline and a flirty open back design.
$14.97 $54.90 73% off
A black velvet mini dress with a cowl neckline, open-back design, and adjustable spaghetti straps.
$59.90
A pink floral organza skater dress featuring a lace-up corset bodice and voluminous tulle-lined silhouette.
$79.90
A royal blue glitter formal dress featuring a strappy open back and high front slit.
$14.97 $109.90 86% off
A pink sequin formal dress featuring an open back and high front slit for elegant allure.
$99.90
A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.
$19.97 $38.90 49% off
A sleek black knit mini dress featuring a strappy open back, cowl neckline, and chic side slit.
$59.90
A yellow mesh mermaid dress with a ruched bodice, open back, and high 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
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.