Hilary Erhard Duff (born September 28, 1987) is an American actress, businesswoman, singer-songwriter, producer, and writer. Duff began her acting career at a young age and quickly became labeled a teen idol as the title character of the television series Lizzie McGuire (20012004) and in the theatrical film based on the series, The Lizzie McGuire Movie (2003). Thereafter, she appeared in numerous ...