From La Femme, this gorgeous long lace prom dress is ready for a striking entrance. So beautiful for prom, galas, and other red-carpet events, this open-back long lace formal dress gets a sexy look with a plunging v-neckline and thin shoulder straps that lead to the deep v-back. Offered in misses and some plus sizes, this long lace designer dress has sheer lace side panels and a hip-skimming long mermaid skirt that is fully lined with a sheer-lace overlay that flows to the floor with a flourish. A jaw-dropping choice for your big formal, this long lace prom dress is nothing short of fabulous.