Halter Long Balloon Prom Dress: Ava Presley 47146Simply 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