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...

Katy wasn't even at the gala this year...

Fans are not happy.

Surely that's not Luke's fault ... right?

Luke Bryan discusses Katy Perry's exit from American Idol, highlighting their ongoing and growing friendship.

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.