Prom Dresses by Tiffany are some of the sweetest styles for prom 2012. You're sure to be a knockout in a Tiffany prom ball gown. Choose from Tiffany's signature ball gowns style, or a more sleek Tiffany evening gown for your bridesmaid dress. There are Tiffany prom dresses being added daily, be sure to check back for new Tiffany 2012 styles.