Sleek and sophisticated, this strapless long sweetheart prom dress is sold exclusively at PromGirl. With a beaded peek-a-boo sweetheart neckline, this strapless long formal dress gets a sparkly look for prom, galas, and other black-tie events. The strapless prom gown has a wrap-around corset for a fitted look, while the long mermaid skirt opens in a side slit before ending in a small train. Step into the world of sleek elegance when you choose this strapless long sweetheart prom dress by PromGirl.