Corset-Back La Femme Sexy Long Formal DressHere's a sexy long formal dress that is overflowing with style. Crafted in soft jersey fabric, this long designer dress by La Femme honors the curves from the v neckline to the floor for an alluring look at prom, fancy galas, and other formal events. The long jersey evening gown includes side ruching that provides a curvy look, while cut outs offer a sexy vibe. Thin shoulder straps criss cross the open back of this long formal dress, before tying into