These loose, backless, wide leg outfits emerged in the 1920s and 30s as resort wear, especially in places like the French Riviera and British coastal towns. They were stylish, modern, and, most importantly, Women 1920s Great Gatsby Dress Long 20s 30S Flappe Grandado YONGHS Women's 1920s Flapper Dress Sequin Tassels Halter Backless Latin Dance Costume with Arm Sleeves Gold One Size Walmart.com Zapaka Women 1920s Dress Black Golden Backless Vintage Gatsby Dress ZAPAKA AU 1920s Blush Egyptian Gown Annie's Ibiza Online Backless 1930 Bridesmaid Dresses Great Gatsby Wedding 1920s Vintage Style Wedding Dresses A 1920s