How did people wear bras in the 1920s with thin straps and backless clothing? : r HistoricalCostuming Beaded 1920s Prom Dresses Cape Sleeve Gatsby Formal Dresses AD1250 Viniodress 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, Antique 1920s Lace & Silk Dress You'll be embodying Depop 1920s sequin dress Sequin Long Dress Tulle Wedding Guest Dress 1920s Evening Dress Koutun Dress