585 × 390
Source:https://www.lulus.com/categories/299_2226/formal-dresses.html
450 × 300
Source:https://www.thedressoutlet.com/collections/formal-dresses
640 × 640
Source:https://www.aliexpress.com/item/1005004267089233.html
450 × 300
Source:https://www.tobi.com/dresses/formal-dresses
585 × 390
Source:https://www.lulus.com/categories/2226_3252/black-formal-dresses.html
730 × 476
Source:https://www.nordstrom.com/browse/women/clothing/dresses/formal-dresses
975 × 650
Source:https://www.xdressy.com/black-lace-off-shoulder-formal-ball-gown-717.html
1200 × 900
Source:https://www.ever-pretty.com/collections/plus-size-dresses
1500 × 1500
Source:https://www.brides.com/formal-wedding-guest-dresses-6745683
1024 × 683
Source:https://abyssbyabby.com/collections/backless-dresses