This sexy one-shoulder long prom dress TT001 by Tina Holly is an upscale style only for the girl who loves a bold look. With a sheer diagonal slash-style cut out on the bodice, this one-shoulder long formal dress is an alluring choice for prom, galas, and other black-tie events. The one-shoulder long evening gown has a faux-wrap long skirt that smooths over the hips before opening in a side slit. A small train finishes the look of this one-shoulder long prom dress that is sure to captivate the evening.