Shine bright in this strappy open-back long prom dress 89499 by Amarra. With eye-catching embellishments from the plunging v-neckline to the hem, this elegant long formal dress is sure to catch the light at prom, galas, and other black-tie events. The gorgeous long evening gown has thin shoulder straps that criss cross the open back before tying into a bow for the best fit. The long skirt opens in a side slit before ending in a small train to make this embellished long prom dress as dramatic as it is dazzling.