With sultry shimmer, this La Femme sequin prom dress is a gorgeous style for formal dances. Fully adjustable, the spaghetti straps on this designer prom dress support the v-neckline, round the shoulders, and cross against the open back. The daring wide side slit on this backless prom dress is another head-turning detail. The perfect balance between allure and sophistication, this v-neck sequin prom dress by La Femme is a dream come true.