Hilary Erhard Duff is an American actress, singer, author, businesswoman, and philanthropist. Her accolades include a World Music Award, seven Kids' Choice Awards, four Teen Choice Awards, and two Young Artist Awards.
Duff began her acting career at a young age, and soon was labeled a teen idol. Duff played Lizzie McGuire in the Disney Channel comedy series Lizzie McGuire (2001–2004) and in the film based on the series, The Lizzie McGuire Movie (2003). Thereafter, she appeared in numerous mainstream films such as Cadet Kelly (2002), Agent Cody Banks (2003), Cheaper by the Dozen (2003), A Cinderella Story (2004), and Cheaper by the Dozen 2 (2005). Duff later appeared in independent films playing a wider range of adult-themed roles, such as War, Inc. (2008), According to Greta (2009), Bloodworth (2011), and The Haunting of Sharon Tate (2019).