From La Femme, this gorgeous long prom ball gown is an elegant style that hints at seductiveness. With a sheer corset-style bodice that wraps around to the back, this long sweetheart formal dress adds a touch of sexy for prom, galas, and other black-tie events. The long a-line designer dress has thin shoulder straps that adjust for the best fit, while the long skirt opens in a side slit before draping to the floor. Embrace contemporary elegance with just a bit of sensuality when you slip into this beautiful long a-line prom dress from La Femme.