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.
$89.90
A dazzling red glitter knit formal dress with a scoop neckline and revealing open back.
$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, cowl neckline, and strappy open-back design.
$39.97 $119.90 67% off
A dazzling royal blue sequin-knit formal dress with a cowl neck, open-back, and front slit.
$89.90
A dazzling periwinkle skater dress featuring sequin lace-mesh fabric and an open lace-up back.
$84.90
A pink glitter knit mermaid dress with a bow-back design and floor-length train for formal events.
$109.90
A stunning black sequin dress featuring a lace-up back, sweetheart neckline, and high front slit.
$19.97 $56.90 65% off
A glamorous green formal dress featuring a backless design, thigh-high slit, and stretchy knit fabric.
$38.90
A green glitter knit mini dress with a strappy open back and bodycon silhouette.
$64.90
An elegant black glitter knit mermaid dress with a cowl neckline, open back, and front slit.
$79.90
A yellow floral sequin mesh formal dress with a lace-up back and high side slit.
$49.90
A burgundy knit formal dress featuring a ruffled high slit, open back, and slim-fit silhouette.
$46 $64.90 29% off
A black taffeta skater dress with a low back bow and elegant square neckline.
$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 mesh bodycon dress with a high neckline and alluring open-back design.
$59.97 $119.90 50% off
A coral bodycon formal dress featuring sequin embellishments, cutout back, and floor-length hem.
$79.90
A sultry navy blue mermaid dress featuring a lace open back and side ruched seams.
$29.97 $54.90 45% off
A rose floral satin dress with a cowl neckline and lace-up strappy open back.
$59.90
A navy blue satin formal dress featuring a halter neckline, open back, and high front slit.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$39.97 $119.90 67% off
An iridescent pink sequin dress with a lace-up back and floor-length mermaid silhouette.
$69.90
A captivating blue mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.
$79.90
A mint column formal dress with an open back, ruched seams, and a high front slit.
$84.90
An enchanting black mermaid dress with glitter mesh, ruffle-back, and adjustable spaghetti straps.
$79.90
An elegant black satin mermaid dress featuring a halter neckline, open strappy back, and high front slit.
$64.90
A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.
$34.90
A red bodycon mini dress featuring a low tie back and a front slit in stretchy knit fabric.
$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.
$29.97 $99.90 70% off
A stunning yellow strapless mermaid dress with sequin embellishments, cutout back, and high front slit.
$99.90
A stunning light blue formal dress with rhinestone embellishments, featuring a strapless neckline and cowl back.
$109.90 - $119.90
A sage floral satin A-line dress with a lace-up back and high front slit.
$119.90
A glamorous orange mermaid dress featuring sequins, a lace-up back, and a high front slit.
$59.90
A pink woven glitter knit mini dress featuring a strapless neckline and dramatic open-back bow accent.
$79.90
A glamorous black mermaid dress featuring glitter knit fabric, open back, and a high front slit.
$79.90
A black glitter mermaid dress with an open strappy back and floor-length silhouette.
$69.90
A green satin midi dress with a lace-up back and faux wrap bodycon silhouette.
$59.90
A navy blue glitter knit dress with a strappy open back and high side slit.
$59.90
A pink floral organza skater dress featuring a lace-up corset bodice and voluminous tulle-lined silhouette.
$99.90
A coral sequin formal dress with a strappy back and floor-length mermaid silhouette.
$99.90
A dazzling denim sequin dress with a cutout back and mermaid silhouette for glamorous events.
$9.97 $54.90 82% off
A red velvet mini dress with a cowl neckline, open back, and adjustable spaghetti straps.
$119.90
A glamorous periwinkle sequin dress featuring a strappy open back and high front slit.
$89.90
A stunning red formal dress with sequin beading, high slit, and open lace-up back.
$39.97 $79.90 50% 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.
$69.90
A sultry red mini dress with sequin lace, open back, and adjustable spaghetti straps.
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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
Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
$29.97 $59.90
50% off
Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion. Fit & FeaturesCowl neckline, spaghetti straps, Slim-fit bodice, form-hugging fit, Floor-length silhouette, Thigh-high side slit, Glitter knit fabric, mini-length inner knit lining, moderate stretch, Sticky bra recommended, Runs true to size, The saturation of glitter varies. Glitter may transfer. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit 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. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue | Size: L | Knit Fabric/Rhinestone
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
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: S | Knit 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 Taupe | Size: M | Satin Fabric
Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Gold-2 | Size: M | Satin 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
Radiate sexy elegance in the Deyna formal long dress perfect for your upcoming black tie soirees! The dress accentuates your curves with side ruched seams and mermaid silhouette create a stunning and flattering shape, while the floor-length hem adds sophistication. Fit & FeaturesAiry mesh fabric, full knit stretchy lining, Off-the-shoulder neckline, ruffled cuffs, cascading ruffles, Back zipper and hook-eye closure, Flexible boning inserts in the bodice, Side ruched seams, mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, fancy garden parties, and dressed-up events. Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle | Size: L | Knit Fabric/Mesh Fabric/Mesh 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.