Here's a gorgeous long black beaded formal dress A1299 by Andrea and Leo that is red-carpet ready. With a nude underlay, this long black evening gown has sparkly beaded designs and swirling sequins from the v-neckline to the knees. The long black beaded special occasion dress features thin shoulder straps that criss cross the open back, while thin bands lace up for the best fit at prom, pageants, and other formal events. The long mermaid skirt has fluffy ruffles from the knees down to the…