Honor the curves in this sexy long prom dress by Astee. In gleaming fabric from the draped neckline to the hem, this floor-length evening gown has thin shoulder straps that lead to the unique cowled open back detail. The slinky long formal dress smooths over the curves before opening in a side slit and draping to the floor. Step into a world of elegance at prom, galas, and other formal events when you choose this sexy long prom dress that is budget priced under $100.