Celebrate in this sexy one-shoulder long prom dress that is proudly made in the U.S.A. From Atria, this long designer dress will offer a striking entrance whether you are going to prom, a fancy gala, or another formal event. The long formal dress has double thin shoulder straps that attach to the single horizontal band in the back. The strappy-back tight evening gown has back ruching that accentuates the booty, while the long skirt opens in a side slit and pools into a small train. A great find for the girl who loves a daring design, this one-shoulder long prom dress will have you steal the show wherever you make your entrance.