Hilary Duff Ass Tight Jeans Paparazzi Set Leaked. Hilary Duff is an American actress, singer, and businesswoman. She first gained notoriety as a Disney Channel child star in the title role of Lizzie McGuire. She later appeared in several mainstream films, and released multiple musical albums, achieving Gold and Platinum status. She more recently starred in the TV Land television series Younger, and currently stars on the Hulu original series How I Met Your Father. See more of her here.