523 × 349
Source:https://www.anthropologie.com/dresses-formal
1350 × 1080
Source:https://www.dhgate.com/product/vintage-princess-lace-appliqued-prom-dresses/640133379.html
2000 × 2000
Source:https://www.popsugar.com.au/fashion/winter-formal-dresses
700 × 480
Source:https://shangrila-dresses.com/
1800 × 1190
Source:https://www.thebridalcompany.com.au/product/formal-dress-a88554/
1093 × 640
Source:https://en.wikipedia.org/wiki/Formal_wear
1151 × 1920
Source:https://www.demetrios.com/
730 × 476
Source:https://www.nordstrom.com/browse/women/clothing/dresses/formal-dresses
1200 × 900
Source:https://www.ever-pretty.com/collections/formal-dresses
900 × 600
Source:https://www.dressthepopulation.com/collections/evening-and-formal-dresses