Katy Perry

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

The teen put her own spin on one of her grandma's classics.

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

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

She's been nominated 13 times.

Superstar songwriter Bonnie McKee spilled some tea about how Katy Perry inspired her to write this Britney Spears smash.

"That's the tea."

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

"She’s amazing and she has these people controlling her money, her life."

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