Hollywood friendships can look unbreakable, especially when two stars spend years convincing audiences that their chemistry extends far beyond the screen.
But behind these bonds and decades of shared history, some of the industry's closest co-stars have quietly drifted apart. Others have seen their friendships explode into bitter public feuds.
Even George Clooney and Brad Pitt, long considered one of Hollywood's most enduring bromances, are now on thin ice.
