Katy Perry

From Kim Kardashian to Tom Hanks...

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

From members of BTS to Lady Gaga, check out how 25 celebrities chose their stage personas.

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

While some stars were able to recover like a pro, others needed a little help from the audience.

From Halsey to Blackpink, these are the best songs of 2019.

From Katy Perry to Kim Kardashian West, find out who got their start working for other famous celebs.

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

Katy races through this tropical hideaway.

These celebrities are sober.

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

From Lady Gaga and Bradley Cooper to Camila Cabello and Shawn Mendes, check out 25 celebrity pairs who fans were convinced had a love connection.