35 Perfect Prom Dresses Under $100 April 6, 2015BuzzFeed - Latest Look pretty in pink … or red, or black or green. Julie Gerstein / BuzzFeed Chi Chi London Lace Prom Dress with Sweetheart Neck, $59 us.asos.com Truly You Floral Jacquard Plunge Prom Dress, $45 us.asos.com View Entire List ›