Slip into this plus-size long prom dress by Poly USA and elevate your evening look. With a beaded and embroidered sheer corset that wraps around to the lace-up back, this plus-size evening gown is fully adjustable for prom, galas, and other formal events. The plus-size long formal dress has a long skirt with booty-contouring ruching, a thigh-high side slit, and a small train that brings on the drama. Step into the night like the true star you are in this plus-size long prom dress by Poly USA.