Nancy Krulik is the author of more than 150 books for children and young adults, including the "New York Times" best-seller "Leonardo DiCaprio: A Biography." Her long list of biographies includes books about Hilary Duff, Raven, *NSync's J.C. Chasez, and the late TLC rapper Lisa Lopes. Nancy has appeared as a guest expert on several celeb-focused TV shows including "Access Hollywood, Extra, " and "E! Love Chain." She lives in Manhattan with her husband, composer Daniel Burwasser, and their two children.