From La Femme, this slinky long prom dress is perfect balance of elegance and sexy style. With embroidered-lace applique on the sheer illusion bodice, this long designer dress gets a look of allure for prom, galas, and other black-tie events. The strappy open-back long formal dress has a curve-hugging long jersey skirt that includes a thigh-high side slit that adds to the elevated evening look. Showcase the curves and make your red-carpet debut in this eye-catching long prom dress that hints at seductiveness yet is the epitome of modern glamour.