Colleen Hoover attends the New York premiere of "It Ends With Us."
John Nacion/Variety via Getty Images
- Colleen Hoover is the bestselling author of over 20 books, including "It Ends With Us."
- The film version of "It Ends With Us," starring Blake Lively, premieres Friday.
- Hoover is beloved by millions, but she has also been embroiled in controversy as her fame has grown.
If you've been in a bookstore recently, you've likely seen one of Colleen Hoover's books.