One-Shoulder Long Formal Dress: Mac Duggal 26163Here's a beautiful one shoulder long formal dress 26163 by Mac Duggal that is sure to elevate your evening look. Sleek and elegant from the asymmetrical neckline to the hem, this one shoulder long evening gown is a classy choice for prom, galas, and other formal events. The one shoulder long dance dress has a faux wrap midriff that tops the long a line skirt that opens in a side slit before ending at the floor. A small train completes the look of this