katy perry

"I think that mom shaming is super lame."

"This is not okay. You should be singing here because you love music."

She's not a "Watermelon Sugar" fan.

"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?

She had the best response.

Some of these artists regret their biggest hits.

This year's holiday was met with a mix of celebratory posts and acts of protest.

Staff had no idea they had asked the pop star to wait for a table.