Plunging V-Neck Long Prom Dress: Atria 6545HBe a total knockout in this strappy open back long prom dress 6545H that is undoubtedly the star of the show. From Atria Couture, this sexy long formal dress features a plunging v neckline and a halter bodice with thin shoulder straps that attach at the back of the neck. With thin bands that flow from the waist to the open back, this long special occasion is the epitome of modern glamour for prom, galas, and other formal events. Offered in misses and