16 Celebrity Friendships You’d Never Expect (5 of 9)

8. Diane Keaton and Justin Bieber

They met while filming the Ghost music video and just clicked? The hat-loving Hollywood icon and the tattooed Canadian pop star dont seem like a natural match, but their banter online suggests genuine affection. Somewhere between Annie Hall and Yummy, love bloomed.

9. Pitbull and John Travolta

Mr. Worldwide and Danny Zuko? You read that right. Travolta once gave a heartfelt speech at Pitbulls handprint ceremony and described their friendship as forever. Apparently, what unites them is not just style, but soul. Who knew they were a brotherhood of bald?