Tight Long Halter Prom Dress: Colors Dress 3821Sleek and figure flattering, this open back long halter prom dress by Colors Dress has just the right amount of sparkle. This long halter formal dress features beaded embroidery on the deep v neck corset, while thin shoulder straps attach at the back of the neck. The long halter special occasion dress has matching embroidery on the side of the skirt that opens in a slit before ending at the floor in a small train. Be red carpet ready in this open back