Katy Perry

This is Perry's most over-the-top costume yet.

Katy and Orlando shared a photo from their gender reveal.

Katy is currently in Australia.

'May she rest in deep peace and kiss the forehead of the soul to come.'

Katy’s new video is unforgettable.

'If you can forgive your enemy, that's amazing.'

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.

There are literally too many celebrities to list.