La Femme Strapless Long Prom Ball Gown 31954From La Femme, this strapless sweetheart long a line prom dress will not go unnoticed. Whether you're going to prom, a military ball, or another formal event, this elegant long designer dress sparkles with gleaming embroidery on the strapless bodice. The strapless long formal dress has thin bands that lace up over the open back for the best fit, while the long a line skirt opens in a side slit before flowing down to a structured horsehair hemline.