You might think you know every single detail about your fave celebs, but everyone has secrets — and some of them are things that are way too embarrassing to get out! Well, until now that is.
Click through the gallery to discover some pretty crazy things about Justin Bieber, the One Direction guys, Demi Lovato and more. Be sure to tell us which ones surprised you most in the comments below!
Love J-14? Be sure to subscribe to our YouTube channel for fun, exclusive videos with your favorite stars.