756 × 945
Source:https://blog.everything5pounds.com/vintage-inspired-prom-dresses/
1200 × 1200
Source:https://www.ebay.com/itm/353763124672
2048 × 2048
Source:https://www.etsy.com/market/70s_formal_gown
698 × 500
Source:https://www.pinterest.com/pin/1970s-fashion--400679698107799674/
548 × 400
Source:https://www.frenchnovelty.com/mac-duggal-prom-70s-retro-look-sequin-prom-dress-3454m
902 × 538
Source:https://www.pinterest.com/pin/1978-fashion--9218374229726746/
800 × 1000
Source:https://vintagerunway.net/products/maxi-dress-70s-prom-dress-formal-dress-mint-green-dress-grecian-goddess-draped-size-s-m
1200 × 800
Source:https://www.elle.com/fashion/trend-reports/g26089/evolution-of-prom-dresses/
912 × 640
Source:https://www.vintag.es/2019/12/1970s-prom-couples.html
320 × 240
Source:https://www.rustyzipper.com/vintagedresses/prom/1970/