Celebrities know just how nice it is to have friends on the inside in Hollywood. These friends can help each other land roles, defend against the gossip magazines, or even fluff each other's dresses on the red carpet.
You surely know about Matt Damon and Ben Affleck's lasting friendship and you might be well aware that "Friends" costars Jennifer Aniston and Courteney Cox are best buds in real life, but there are quite a few friendships that you likely never knew about.
Here are celebrity duos you likely didn't know were friends.
Amy Daire, Anjelica Oswald, and Kim Renfro contributed to previous versions of this article.