Katy Perry

Katy's highly anticipated new album drops this September.

Katy's new single drops July 11.

This celeb was the top entertainer in 13 states, including Montana...

Fans are not happy.

The song was featured on Perry's iconic 'One of the Boys' album.

Did you know these celebrity couples once tied the knot? Too bad they didn't last. (Well, except for a few of them...)

From album art that looks badly Photoshopped to covers that are downright bizarre or entirely off-brand.

You won't believe who he chose to "kill."

That's a *lot* of pop hits.

Some of the most notable hip-hop trends that have gone mainstream.