Strapless Long Black Formal Gown: Mac Duggal 68697Elevate your evening look in this strapless long black velvet formal dress 68697 by Mac Duggal. Crafted in soft velvet fabric from the fold over sweetheart neckline to the skirt, this strapless long black special occasion dress offers a couture look for prom, galas, and other formal events. With an open back, this long black evening gown gets a sexy vibe, while the floor length skirt has a cascading tulle ruffle that trims the thigh high side slit and