Katy Perry

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

Luke Bryan gave Katy Perry and Lionel Richie a tour of his dad's peanut mill in Georgia.

After viewers criticized Katy Perry's comments, the contestant offered her perspective on social media.

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

He's the resident country expert on 'American Idol.'

They served up a soaring rendition of their pop-leaning duet.

Rhett and Perry come together in this music video for an abstract, cinematic visual interpretation of their duet.

Host Ryan Seacrest will also return for Season 21.

If you're going to include something called Webisode Wednesday on your site, you might as well have a little fun with it -- and that's just what Lady Antebellum have done with the latest installment of their series, offering fans their take on Katy Perry's hit 'Teenage Dream.' In the clip, embedded below, the band starts off in a dressing room, tackling the song with nothing more than their voices

Lady Gaga hatched out of a giant egg. Justin Bieber dance with Usher and Mick Jagger proved he's still got his famous strut. And we've got the pictures to prove it. Check out our favorite shots from the 2011 Grammys.