Rhinestone-Collar Long Red Prom Dress 26533A dazzling rhinestone collar tops this long red prom dress for a look that is as elegant as it is stylish. From Mac Duggal, this long red designer dress is a backless style with matching collar and rhinestone side sit. The slinky long red formal dress hugs the curves from the cut in shoulders to the hips, while the long skirt flows to the floor in an a line shape. So chic for prom, galas, and other formal events, this long red prom dress is a modern