Katy Perry

"It was just a blonde girl and I was like, 'Meh, boring.'"

From Gwen Stefani to Miley Cyrus and John Mayer, these pop stars have written breakup songs about other famous people.

Gaga? Katy? Britney? Miley?

This is not the first time she has struggled with her right eye.

Britney Spears' beau Sam Asghari hooked her up with a stunning floral display and gifts.

Don't worry, though... The pop star wants to hook her up with tickets to her Vegas show!

Including all the hits and a couple hidden gems!

This 'Prism' promotional single deserved to be treated like a hit. Here's why.

She's been nominated 13 times.

"If you're trying to make a perfect pop album, you're just trying to make 'Teenage Dream' again."

From on-stage baby bump reveals to record-breaking Instagram announcements, these celebrity pregnancies made major headlines.

Katy revealed her secret to Zooey.