Simply breathtaking, this open-back long halter prom dress 47146 by Ava Presley is an upscale choice for your big formal. With a sexy open back, this long evening gown has shoulder straps that attach at the back of the neck for a sleek look at prom, galas, and other formal events. The voluminous long a-line skirt gathers at the natural waist before flowing to the balloon-style hemline for a wow-worthy look. A double drape at the waist finishes the look of this fabulous open-back long halter prom dress that is perfect for the fashionista who loves a bold style.