Gwen Stefani gets destroyed by Gwen Stefani superfan while playing Gwen Stefani quiz

Imagine having a fan who loves you so much they know more about you than you do. Well Gwen Stefani doesn't have to imagine. During an appearance on Jimmy Kimmel Live! on Wednesday, she went up against a superfan for a rapid-fire game of "Who knows Gwen Stefani?" SEE ALSO: Gwen Stefani Has No Idea How to Say Stephen Colbert's Name Turns out Gwen Stefani doesn't know Gwen Stefani as well as some other people know Gwen Stefani. Read more... More about Jimmy Kimmel Live, Gwen Stefani, Culture, and Celebrities