Katy Perry

From Kim Kardashian to Tom Hanks...

Our favorite, once-inseparable celebrity besties and their unfortunate fallouts.

She said their relationship is 'like a never-ending cleanse.'

Are Katy and Orlando thinking about having kids?

Ashlee Simpson is just one of many stars who bungled sets on TV's most coveted stage.

Check out some of the most ~cringeworthy~ celebrity moments ever.

These fans went *way* too far.

These celebrities are sober.

This video is so fetch.

The actor addresses how his previous failed marriage has affected his current relationship.