Strappy Open-Back Long Prom Dress: La Femme 33361Turn up the heat in this strappy open back long prom dress 33361 by La Femme. With a beautifully scalloped sweetheart neckline, this long designer dress smooths over the curves for a fitted look at prom, galas, and other formal events. Thin shoulder straps criss cross the open back of this tight long formal dress, while the hip skimming long skirt opens in a side slit to add a sexy vibe. A small train completes the look of this strappy open back long