Top Picks
£27.20 PRETTYLITTLETHING
£68.75
£22.00 MISSPAP
£69.49
£41.00 MISSPAP

SIOBHAN’S PICK
MILANOOEvening Dress Ball Gown V-Neck Backless Polyester Floor-Length Applique Light Sky Blue Formal Party Dresses
£200.69
£130.45 MILANOO

LEANNE’S PICK
MILANOOPink Evening Dress 2026 A-Line Jewel Neck Backless Formal Dresses Wedding Guest Dresses Free Customization
£144.93
£130.44 MILANOO
How we pick
These picks came from Megan, Rosie, Fiona, Siobhan and Leanne, who each chose the one they'd happily wear themselves. That's the whole test really. Would we buy it, would we wear it more than once, and does it look like the photo once it arrives? We skip anything that looks cheap up close, cap how many pieces come from any one shop, and keep the list fresh as stock changes. We earn a small commission if you buy through our links, it never costs you more, and it never decides what gets picked.
Under £5018 pieces
PRETTYLITTLETHING
Chocolate Halterneck Contrast Maxi Dress
£17.50 PRETTYLITTLETHINGPRETTYLITTLETHING
Wine Chiffon Halterneck Dropped Waist Maxi Dress
£33.60 PRETTYLITTLETHINGPRETTYLITTLETHING
Taupe Pinstripe Halterneck Belted Shift Dress
£13.50 PRETTYLITTLETHINGPRETTYLITTLETHING
Green Chiffon Asymmetric Dropped Waist Halterneck Maxi Dress
£27.20 PRETTYLITTLETHINGPRETTYLITTLETHING
Black Satin Tie Shoulder Maxi Dress
£14.50 PRETTYLITTLETHINGPRETTYLITTLETHING
Yellow Polka Dot Halterneck Maxi Dress
£36.00 PRETTYLITTLETHINGPRETTYLITTLETHING
Navy Double Layer Slinky Ruched Maxi Dress
£27.20 PRETTYLITTLETHINGPRETTYLITTLETHING
Chocolate Slinky Extreme Ruched Halterneck Maxi Dress
£15.00 PRETTYLITTLETHINGPRETTYLITTLETHING
Green Chiffon Plunge Neck Detail Maxi Dress
£15.00 PRETTYLITTLETHINGPRETTYLITTLETHING
Sale WatcherBlack Halterneck Contrast Drape Detail Backless Mini Dress
£25.60 PRETTYLITTLETHING

32formal backless dress on sale right nowSee them all →−60%
MISSPAP
MISSPAP Women's Satin Frill Hem Hater Neck Maxi Dress in Blue
£50.00 £20.00 MISSPAP−40%

MILANOO
Party Dress Maxi Beige V-Neck Off-Shoulder Backless Chic Semi Formal Summer Ball Gown
£33.75 £20.25 MILANOO−68%
MISSPAP
MISSPAP Women's Premium Mixed Sequin Backless Mini Dress in Navy
£68.75 £22.00 MISSPAP−68%
DOROTHY PERKINS
Warehouse Velvet Sequin High Neck Backless Midaxi Dress In Silver
£78.13 £25.00 DOROTHY PERKINS−65%
MISSPAP
Warehouse Women's Tulle Halter Shirred Waist Tier Maxi Dress
£80.00 £28.00 MISSPAP−20%

MILANOO
Party Dress Mini Black Straps Neck Lace Sleeveless Backless Casual Semi Formal Dress
£37.00 £29.60 MILANOO−41%
MISSPAP
MISSPAP Women's Premium Mixed Sequin Backless Mini Dress in Silver
£69.49 £41.00 MISSPAP−35%

MILANOO
Evening Dress Mermaid Designed Neckline Floor-Length Sleeveless Backless Cut Out Formal Party Dresses
£136.51 £88.73 MILANOOWorth the splurge7 pieces

MILANOO
Evening Dress 2026 A-Line Square Neck With Train Sleeveless Backless Split Front Satin Formal Dinner Dresses
£132.43 MILANOO−35%

MILANOO
Evening Dress 2026 A-Line V-Neck Floor-Length Long Sleeves Backless Split Front Elastic Silk Like Satin Formal Party Dresses
£164.02 £106.61 MILANOO−15%

MILANOO
Prom Dress Mermaid V-Neck Sweep Sleeveless Backless Lace Elastic Silk Like Satin Formal Evening Dresses
£132.44 £112.57 MILANOO−10%

MILANOO
Black Evening Dress V Neck Stretch Crepe Half Sleeves Backless Floor Length Formal Party Dresses
£129.00 £116.10 MILANOO−15%

MILANOO
Prom Dress Mermaid Strapless Sweep Sleeveless Backless Split Front Formal Dinner Dresses
£146.46 £124.49 MILANOO−10%

MILANOO
Pink Evening Dress 2026 A-Line Jewel Neck Backless Formal Dresses Wedding Guest Dresses Free Customization
£144.93 £130.44 MILANOO−35%

MILANOO
Evening Dress Ball Gown V-Neck Backless Polyester Floor-Length Applique Light Sky Blue Formal Party Dresses
£200.69 £130.45 MILANOOMore like this
See all in Backless Dresses →
Backless DressesSleeveless Mini Backless Dresses With Real Wardrobe Staying Power
Backless DressesThe Black Mini Backless Dresses on Our Wishlist
Backless DressesBackless Maxi Satin Dresses That Always Get Compliments
Backless DressesRelaxed Fit Backless Dresses Actually Worth Buying
Backless DressesThe Best Looking Backless Mini Dresses Out There
Backless DressesSleeveless Maxi Backless Dresses That Make Getting Dressed Easy





