For a reason unknown to the public, Justin Bieber took to Twitter on Sunday to challenge Tom Cruise to a UFC fight in the octagon. 

He also asked who was willing to put on the fight and tagged UFC president Dana White in the tweet. Tom Cruise is 56 years old and Bieber is 25, but despite the age difference the Internet seems to agree that Cruise would crush Bieber in the ring. Click on the tweet and try reading a few comments. They are very entertaining.