Open-Back Halter Formal Gown: Mac Duggal 49728Be the star of the show in this gorgeous long halter formal dress 49728 by Mac Duggal. Crafted in gleaming satin from the high neckline to the hem, this long halter special occasion dress has a ruched band that circles the neck like a choker, while cut in shoulders offer a flirty look. The wide waist band wraps around to the self tie bow that sits just below the open back of this pretty long gown. The long a line skirt completes the look of this