Simple, yet posh, this long black prom dress 32873 by La Femme is an upscale design for your big formal. With a sheer lace bodice, this long black designer dress has a scalloped v-neckline and thin shoulder straps that lead to the low back. The long black formal dress has a long skirt that smooths over the curves before opening in a side slit and draping to the floor. Effortlessly classy, this long black prom dress is the perfect balance of elegance and simplicity.