Hilary Duff has loads of talent and is successful as an actress, singer, philanthropist, and businesswoman. But Duff's heart will always be bigger than her fame. Hilary Duff is passionate about feeding America's hungry children, which led to her involvement with "Blessings in a Backpack." She also works with "Kids With a Cause" (KWAC), an organization that encourages children to help other children.