If you think that finding a beautiful strapless sweetheart long prom dress under $200 is impossible, you're in for a surprise. This gorgeous strapless long formal dress 20023 by La Femme is an upscale design from the sweetheart neckline to the floor, yet is affordably priced under $200 for prom, galas, and other black-tie events. The beautiful long designer dress has beaded designs on the front of the bodice, while matching beaded straps flow horizontally over the open back. With a figure-flattering empire waist, this long prom dress has a long a-line skirt that opens in a side slit before ending at the floor. Perfect for the savvy fashionista, this strapless sweetheart long prom dress is as stylish as it is budget friendly.