Long Sequin Formal Dress: Mac Duggal 68513Showcase the curves in this one shoulder long sequin formal dress 68513 by Mac Duggal. Fully sequined from the sweetheart neckline to the hem, this one shoulder long evening gown gets a style upgrade with a diagonal ruffle that flows over one shoulder to the open back. The long sequin dance dress has a long skirt that smooths over the hips before flowing to the floor to finish the look. So sophisticated for pageants, galas, and other black tie events,