Top Picks
£79.00 DOROTHY PERKINS
ELLIE’S PICK
MILANOOEvening Dress A-Line V-Neck Tea-Length Short Sleeves Backless Elastic Silk Like Satin Formal Party Dresses Free Customization
£159.94
£103.96 MILANOO
£38.95 MILANOO
£99.00
£69.30 DOROTHY PERKINS
How we pick
Every collection on What She Wears starts with a pile of products and ends with a short list chosen by real women. For party backless dress, that was Zara, Gemma, Ellie, Esme and Hannah. They looked at shape, fabric, reviews where there were any and, honestly, whether it made them want to wear it this weekend. Things that look great on a model and terrible on a hanger tend to get cut. The full list underneath is everything that matched, from lots of different shops, so you can still have a proper browse.
We may earn a small commission if you buy through links on this page. It costs you nothing extra and helps keep the site running. How we make money
Under £5011 pieces
MILANOO
Off Shoulder Lace Backless Mermaid Maxi Party Dress For Women 2026
£38.95 MILANOO
SNEAKIN
Women's dress Only Petra
£31.72 SNEAKIN
EGO
Racer Neck Draped Ruched Detail Maxi Dress In Yellow, Women's Size UK
£41.00 EGO
PRETTYLITTLETHING
Lemon Woven Plunge Ruched Bodice Frill Hem Mini Dress
£12.50 PRETTYLITTLETHING
PRETTYLITTLETHING
Fuchsia Chiffon Deep Plunge Flower Detail Maxi Dress
£13.00 PRETTYLITTLETHING
PRETTYLITTLETHING
Ecru Gold Trim Plunge Detail Denim Maxi Dress
£16.00 PRETTYLITTLETHING−30%
PUBLIC DESIRE
Sale WatcherHigh Neck Backless Slinky Mini Dress Black
£25.00 £17.50 PUBLIC DESIRE
62party backless dress on sale right nowSee them all →−30%
MILANOO
Party Dresses Blue Straps Neck Sleeveless Backless Long Semi Formal Dress
£26.70 £18.69 MILANOO−30%
MILANOO
Backless Sheer Mini Dress For Women - Sexy V Neck Tie Front Long Sleeves Ruched Bodycon - Summer Night Out Club Party 2026
£26.70 £18.69 MILANOO−68%
MISSPAP
MISSPAP Women's Premium Mixed Sequin Backless Mini Dress in Navy
£68.75 £22.00 MISSPAP−40%
MILANOO
Halter Fringe Mini Dress For Women - Light Blue Boho Tassel Backless Bodycon - Summer Festival Vacation Party 2026
£44.13 £26.48 MILANOO£50 to £10014 pieces
DOROTHY PERKINS
Oasis Olive Satin Halter Neck Maxi Bridesmaid Dress
£79.00 DOROTHY PERKINS
MADE IN PARADIS
Women's dress Only Hiva
£50.76 MADE IN PARADISMISSPAP
MISSPAP Women's Pleated Detail Volume Hem Mini Dress in Sage
£59.00 MISSPAPDOROTHY PERKINS
Oasis Blush Satin Halter Neck Maxi Bridesmaid Dress
£79.00 DOROTHY PERKINS−30%
DOROTHY PERKINS
Coast Halter Neck Pleat Waist Bridesmaid Dress In Espresso
£99.00 £69.30 DOROTHY PERKINS−30%
DOROTHY PERKINS
Coast Halter Neck Pleat Waist Bridesmaid Dress In Lemon
£99.00 £69.30 DOROTHY PERKINS−30%
MONSOON
Thea Multiway Bridesmaid Dress Green
£110.00 £77.00 MONSOON−30%
MONSOON
Thea Multiway Bridesmaid Dress Red
£110.00 £77.00 MONSOON−30%
MONSOON
Thea Multiway Bridesmaid Dress Mink
£110.00 £77.00 MONSOON−30%
MONSOON
Thea Multiway Bridesmaid Dress Blue
£110.00 £77.00 MONSOON−10%
MILANOO
Bridesmaid Dress A-Line Floor-Length Backless Satin Fabric Wedding Party Dress
£91.14 £82.03 MILANOO−30%
DOROTHY PERKINS
Coast Halterneck Sequin Bridesmaid Maxi Dress In Champagne
£129.00 £90.30 DOROTHY PERKINS−30%
DOROTHY PERKINS
Coast Halterneck Sequin Bridesmaid Maxi Dress In Emerald
£129.00 £90.30 DOROTHY PERKINS−35%
MILANOO
Evening Dress A-Line V-Neck Tea-Length Short Sleeves Backless Elastic Silk Like Satin Formal Party Dresses Free Customization
£159.94 £103.96 MILANOOMore like this
See all in Backless Dresses →
Backless DressesThe Sleeveless Occasion Backless Dresses We Keep Going Back To
Backless DressesBlack Floor Length Backless Dresses You Can Dress Up or Down
Backless DressesSheer Backless Dresses Picked by Us
Backless DressesThe Black Backless Mini Dresses We’re Eyeing Up This Season
Backless DressesOur Pick of the Best Backless Sleeveless Party Dresses
Backless DressesOur Pick of the Best Backless Sleeveless Satin Dresses