Hilary Erhard Duff (born September 28, 1987) is an American actress and singer. Duff began her acting career at a young age, and quickly became labeled a teen idol as the title character of the Disney Channel comedy series Lizzie McGuire (2001–2004). The series proved to be a hit, leading to a film adaptation of the series to be released. Duff began working on numerous projects with the Disney Channel, including the film Cadet Kelly (2002). She later began work on an album, releasing the Christmas themed Santa Claus Lane (2002) through Walt Disney Records. Upon signing with Hollywood Records, Duff began working on her second studio album, Metamorphosis (2003). The album achieved critical and commercial success, topping the U. S. Billboard 200 and selling over three million copies in the nation. It also found success in both Canada and Japan. Duff's success in both acting and music led to her becoming a household name, with merchandise such as dolls, clothing, and fragrances being released.