Show off your strappy open back in this long mermaid prom dress 11245 by Faviana. This gorgeous long designer dress features lace applique from the v-neckline to the knees, while thin shoulder straps criss cross the open back before lacing up for the best fit. The backless evening gown has a long mermaid skirt that smooths over the hips before flaring away from the knees into a small train. Elevate your evening look for prom, galas, and other formal events in this sleek and sassy long prom dress by Faviana.