1501 × 2000
Source:https://www.theknot.com/content/what-to-wear-formal-black-tie-optional-black-tie-invited
768 × 768
Source:https://www.walmart.com/ip/Bigersell-Women-Off-Shoulder-Midi-Dress-Summer-Short-Sleeve-Casual-Elegant-Dresses-Evening-Party-Belt-Pockets-Tie-Waist-Formal-Wedding-Guest-Sun-Blac/3761516535
1000 × 842
Source:https://www.amazon.com/Dresses-Evening-Cocktail-Elegant-Wedding/dp/B0C5472N6R
1875 × 1500
Source:https://www.marthastewart.com/7895841/can-female-guests-wear-black-dress-wedding
428 × 570
Source:https://www.promfy.com/black-lace-tulle-sleeved-wedding-guest-dress-1688.html
1080 × 810
Source:https://www.weddingwire.com/wedding-ideas/winter-wedding-guest-dresses
1600 × 1600
Source:https://www.walmart.com/ip/Jerdar-Women-s-Plus-Size-Maxi-Dresses-Wedding-Guest-Dress-Photoshoot-Sleeveless-Suspenders-Solid-V-Neck-Slim-Split-Ankle-Length-Dress-Business-Formal/1454142753
1968 × 2624
Source:https://www.cntraveler.com/story/best-wedding-guest-dresses-on-amazon
975 × 650
Source:https://www.pinterest.com/pin/formal-dresses--529947081162227633/
1013 × 570
Source:https://www.etsy.com/listing/1388800438/black-prom-dress-corset-formal-gown-plus