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, Flapper Dress for Women V Neck Backless Spaghetti Strap Mini Dress with Fringe and Sequin Tassel for Gatsby Party from Dhgate Urban Sexy Dresses price 33.52 1920s Sequined Backless Halter Dress Retro Stage Black *Large Size* Jazz Baby Backless Fringed Wrapping Flapper Dress M L, 1920s