Hilary Erhard Duff (born September 28, 1987) is an American actress and singer. After gaining fame for her starring role on the television show Lizzie McGuire, she went on to have a film career, and her most commercially successful pictures include Cheaper by the Dozen (2003), The Lizzie McGuire Movie (2003), and A Cinderella Story (2004). The 19 year old has expanded her repertoire into pop music, with four successful studio albums and launched a clothing line and exclusive perfume with Elizabeth Arden, With Love... Hilary Duff. Duff is currently shooting the 2007 action film Brand Hauser: Stuff Happens with John Cusack and recording her fifth album, scheduled for release in April 2007.