Hilary Duff & Haylie Duff

Hilary Duff first made a name for herself on the enormously successful Disney Channel/ABC Kids show Lizzie McGuire, which she parlayed into dual careers as a pop singer and film actress. Like most overnight successes, however, she paid her dues for several years before her big break. Appearances in the 1997 western True Women, 1998's Casper (as the Friendly Ghost's human friend Wendy), and 1999's The Soul Collector paved the way for her best-known role. Lizzie McGuire, which chronicled the ups and downs of a junior high schooler's life using live-action and animated clips, deb...