La Femme Long Prom Dress 31378From La Femme, this royal blue plus size long prom dress 31378 is as beautiful as it is figure flattering. With shimmering embroidered lace from the v neckline to the skirt, this plus size long designer dress sparkles with every move at prom, military balls, and other formal events. The royal blue plus size formal dress has thin shoulder straps that provide support before crossing over the open back and attaching to the corset detail that laces up for