Sexy 1920s Costumes for Women -- Travel back to the 1920s with a sexy flapper costume! You'll be the hit of your party dressed as Sexy Betty Boop, a sultry jazz singer, or a vivacious Broadway performer. Our flapper dresses come in a variety of colors and styles, so you're sure to find the right costume to leave men swooning. If crime is your game, strike it rich in a sexy gangster costume. Our Mama Mafia costume spells Trouble with a capital T! Great for night clubs, themed costume parties, and celebrating Halloween!