1000 × 751
Source:https://www.amazon.com/XIALON-Womens-Dress-Solid-Dresses/dp/B0BYS8VK45
576 × 768
Source:https://www.theknot.com/content/what-to-wear-formal-black-tie-optional-black-tie-invited
1366 × 800
Source:https://en.wikipedia.org/wiki/Formal_wear
658 × 1024
Source:https://rtrshift.com/what-is-formal-attire/
640 × 640
Source:https://www.oprahdaily.com/style/g28039025/fall-wedding-guest-dresses/
500 × 375
Source:https://www.lavendertheboutique.com/blog/gown-hemlines-train-selection/
1458 × 900
Source:https://www.thedressoutlet.com/blogs/news/the-ideal-length-for-a-mother-of-the-bride-gown-floor-length-or-tea-length
628 × 1200
Source:https://parade.com/shopping/semi-formal-attire-for-women
1680 × 1120
Source:https://www.reddit.com/r/PetiteFashionAdvice/comments/118hy1p/can_formal_dresses_be_shorter_than_floor_length/
1500 × 1000
Source:https://blog.petitedressing.com/tips-formal-dresses-petites/