Here's a gorgeous strapless long satin prom dress C168 from Ladivine by Cinderella Divine. With beads and sequins on the sheer corset-style bodice, this strapless formal dress gets a sparkly look for prom, galas, and other black-tie events. Thin bands lace up over the open back of this fabulous long satin evening gown for the best fit, while the long skirt has matching beads above the thigh-high side slit. A small train completes the look of this beautiful long satin prom dress that is surprisingly under $200.