Slip into this form-fitting long prom dress C021 and let your curves do the talking. A slinky design from the corset-style bodice to the hem, this long formal dress has beaded decorations on the sweetheart neckline for just the right amount of sparkle. The long corset evening gown has a long skirt with tummy-concealing ruching and a thigh-high side slit that adds to the glamorous look. Perfect for prom, galas, and other formal events, this tight long prom dress, under $100, is high on style and low on price.