Shimmer in this sparkly long formal dress at prom or another formal event. At well under $150, this backless evening dress is affordable. Made from glitter jersey, this formal evening gown scintillates from the deep v-neckline to the thigh-high side slit. Thin spaghetti straps support the wide v-neckline, trace the shoulders, and criss cross the open back in a caged corset style. Ramp up your sultry look at an upcoming formal event in this sparkly v-neck long formal dress.