Katy Perry

Watch the hilariously wild 'Earth' video featuring Justin Bieber, Ariana Grande, Ed Sheeran, Katy Perry and Brendon Urie as animals.

There are rumors swirling that she was going to replace Celine Dion

Remember when Kanye West called Taylor Swift out for lying?

Johanna Jones got surprise proposed to during Hollywood Week on 'American Idol' and it was so sweet.

Katy Perry is sharing all the details on her sweet proposal from Orlando Bloom.

See how fans reacted to the couple's Valentine's Day announcement.

Check out the best reactions to Katy Perry and Zedd's new song "365."

From Katy Perry to Cardi B: were these fashion picks really Grammy-worthy?

Katy Perry told PAPER magazine that she has a dartboard of Trump, whose name she refuses to utter, in her home.

There's a reason why Katy Perry hasn't released any new music.