Lace-Up Back Long Prom Dress: Aerie Couture 260So sleek, this long prom dress 260 showcases the curves for your big celebration. With a surplice v neck bodice, this long evening gown has twin shoulder straps that attach to the corset style bands that lace up over the open back. Offered in misses and some plus sizes, this long formal dress has a floor length skirt that opens in a thigh high side slit for a sexy look at prom, galas, and other black tie events. Priced under $200, this long prom dress