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, Sequin Long Dress Tulle Wedding Guest Dress 1920s Evening Dress Koutun Dress 1920s backless dress witness2fashion How did people wear bras in the 1920s with thin straps and backless clothing? : r HistoricalCostuming