Strapless Two-Piece Prom Gown: Mac Duggal 49832Here's a strapless two piece long prom dress 49832 that hints at seductiveness. With a twist front crop top, this two piece long formal dress gets a uniquely bold look for prom, galas, and other black tie events. The two piece evening gown has a bare midriff and a hip hugging long mermaid skirt that flows to the floor to complete the design. A glorious statement gown for your big night, this two piece long prom dress is as alluring as it is stylish.