Celebrities do so many strange things it's hard to keep track of all of them. We'll never be able to count the number of times stars like Justin Bieber, Ariana Grande and the One Direction guys made our mouths drop open, but these 10 definitely stand out. Doesn't get much weirder than this, people.
Click through the gallery of 10 totally weird things that you won't believe actually happened, then let us know which one you think is the most odd in the comments below!
When Selena Gomez, Demi Lovato and Miley Cyrus got into a massive YouTube feud.