Marc Shapiro is the NY Times best-selling author of We Love Jenni - An Unauthorized Biography, The Secret Life of EL James, Who is Katie Holmes?, An Unauthorized Biography, Legally Bieber: Justin Bieber at 18, J.K. Rowling: The Wizard Behind Harry Potter, and Justin Bieber: The Fever! and many other best-selling celebrity biographies. He has been a free-lance entertainment journalist for more than twenty-five years, covering film, television, and music for a number of national and international newspapers and magazines.