How did people wear bras in the 1920s with thin straps and backless clothing? : r HistoricalCostuming 1920s Backless Dress Shop on Pinterest Black Silver Sexy Flapper Dress Spaghetti Strap Sequin Fringe Cocktail Gown GARDENWED 20s Beaded Flapper Dresses Unique Vintage 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,