Here's a simple long prom dress that is as figure-flattering as it is refined. From the designers at La Femme, this curve-hugging evening gown is ready for an elegant entrance at prom, a military ball, or another formal event. With a straight neckline, this princess-cut designer dress includes thin shoulder straps that criss cross the open back before lacing up into a trendy corset detail. The hip-skimming skirt flows softly to the floor and opens in an alluring side slit to complete the design. An impressive choice for any formal event, this La Femme long prom dress is sure to become a new favorite.