Backless Tight Long Sequin Prom Dress 3291DBe stunning in this long sequin prom dress that showcases the silhouette with sparkly details. The gorgeous backless long formal dress is fully sequined from the deep v neck bodice to the floor for a dazzling look at prom, galas, and other black tie events. The long sequin evening gown smooths over the hips before opening in a side slit, while thin shoulder straps create a statement as they criss cross the open back. Offered in misses and plus sizes,