Justin Bieber Challenges Tom Cruise to Cage Fight

Justin Bieber's behavior continues to raise eyebrows. The latest: The singer has challenged Tom Cruise to a UFC cage fight. "I wanna challenge Tom Cruise to fight in the octagon. Tom if you dont take this fight your scared and you will never live it down," Bieber tweeted Sunday night. "Who is willing to put on the fight?" Enter former MMA champion Conor McGregor, who chimed in with his own tweet: "If Tom Cruise is man enough to accept this challenge, McGregor Sports and Entertainment will host the bout. Does Cruise have the sprouts to fight, like he does in the movies? Stay tuned to find out!" No word yet from Cruise, but betting odds were released, and Cruise was the favorite to win. (More Justin Bieber stories.)