La Femme Side-Slit Backless Long Prom Dress 31329From La Femme, this backless long prom dress 31329 is a one of a kind creation that lets your beauty shine through. With ruching at the side, this sleek long designer dress gets a fitted look, while thin shoulder straps criss cross over the open back. The elegant long formal dress has a thigh high side slit that hints at seductiveness, while the long skirt drapes to the floor to complete the look. An impressive choice for prom, galas, and other formal