Strapless Sweetheart Prom Gown: Andrea & Leo A1379So glamorous, this strapless beaded lace long prom dress A1379 by Andrea and Leo combines sophistication and dazzling allure. Crafted in beaded lace, this sparkly strapless long formal dress has a sweetheart corset that wraps around to the back, while the body contouring skirt opens in a side slit before ending at the hem. A sheer tulle side drape cascades down to the floor like a train to add a dramatic look for prom, galas, and other formal events.