For a stand-out look, be sure to check out this long satin prom dress that is sold exclusively at PromGirl. The gorgeous long satin formal dress features scattered sequins on the embroidered-lace corset for a dazzling look at prom, galas, and other black-tie events. The sleek long prom gown has a long skirt with tummy-camouflaging ruching and a thigh-high side slit for a sexy vibe. A small train brings on the drama to make this long satin prom dress a stunning blend of modern elegance and timeless charm.