"A Conversation with Hilary Duff" Hilary Duff is a multifaceted actress and recording artist whose career began on the popular Disney sitcom Lizzie McGuire. She has since appeared in many films and TV series, including a guest appearance on Gossip Girl. She has sold more than 13 million albums worldwide and has a clothing line, Femme for DKNY, and a bestselling fragrance. Hilary's humanitarian work is recognized throughout the world, and she is actively involved with many charities that benefit children and animals. She has served on The President's Council on Service and Civic Participation and was named ambassador to the youth of Bogota. She is the New York Times bestselling author of the novels Elixir, Devoted, and True.