1125 × 750
Source:https://www.lulus.com/products/gift-of-love-black-and-silver-backless-long-sleeve-bodycon-dress/563292.html
513 × 570
Source:https://www.etsy.com/listing/1218773972/black-halter-backless-maxi-dressmaxi
990 × 660
Source:https://www.leilunacollection.com/products/long-backless-summer-dress
1800 × 1200
Source:https://clubllondon.us/products/one-step-ahead-white-long-sleeve-backless-fishtail-maxi-dress-cl126332005
637 × 640
Source:https://www.cosmopolitan.com/style-beauty/fashion/g44652013/best-backless-dresses/
1180 × 740
Source:https://www.prettylittlething.us/black-backless-strap-detail-long-sleeve-maxi-dress.html
1317 × 1284
Source:https://www.etsy.com/listing/1383097084/long-sleeve-backless-dress-pattern-3-in
2400 × 1600
Source:https://www.vogue.com/article/backless-dresses-trend-2021
350 × 350
Source:https://www.amazon.com/Women-Backless-Spaghetti-Hollow-Dresses/dp/B0C9MJHZZ4
640 × 480
Source:https://www.aliexpress.com/i/1005004275767365.html