Reserved Until Monday Vintage 50s Vixen Luminous Purple Hue Cocktail Party Dress with Embossed Black Velvet and Rhinestones. $225.00, via Etsy. Vintage Prom Dresses 1950s, 1950s Dress, 50s Dresses, Vintage Wear, Pretty Dresses, Vintage Outfits, Fashion Dresses, 1950s Prom, Vintage Party