Off-Shoulder Long Formal Dress: Mac Duggal 20515Sweet and sparkly, this off the shoulder long sequin formal dress 20515 by Mac Duggal is perfect for your red carpet debut. Whether you are going to prom, a gala, or another formal event, this long sequin evening gown is a romantic style from the off the shoulder neckline to the hem. The long sequin dance dress has banded sleeves that drape romantically over the upper arms, while the fully lined long skirt has a sheer overlay that flows to the floor