La Femme Open-Back Long Prom Dress 31878Here's a simple long prom dress 31878 that is the epitome of modern glamour. A curve hugging choice for prom, galas, and other black tie events, this lace up long designer dress showcases the silhouette from the v neckline to the floor. The tight long formal dress has spaghetti straps that criss cross the open back before lacing up for the best fit, while the hip hugging long skirt has a side slit that offers an effortlessly sexy finish. Offered in