Official music video for Katy Perry's "Firework" off her album 'Teenage Dream' Get 'Teenage Dream' here: http://bit.ly/kpTDde...

Katy Perry has poked fun at her Sesame Street video ban by wearing a very low-cut top with Elmo's face on it during an appear...

A mommas boy, a Zack of all trades, and a Southern gentleman.

Katy Perry chats with Access about being the musical guest for the season premiere of "Saturday Night Live." Also, will we se...

Heart over head. Inclusion over ego. United by passion, we go all in. Go all in at http://www.youtube.com/adidas to see more...

The official lyric and teaser video for Katy Perry's upcoming video for "Firework." Photos by Ari Michelson. (P) (C) 2010 Cap...

Could Access' Shaun Robinson get Katy Perry to dish details of her wedding to Russell Brand? Also, watch Katy get "Whip"-ped ...

Katy Perry has reportedly hinted that she and Russell Brand are already married. During an interview on The Graham Norton Sho...

To help celebrate the one year anniversary of 'Teenage Dream', Katy wanted to give you an exclusive look behind the party of ...

Pop star Katy Perry makes an icy entrance at the 21st Annual MuchMusic Video Awards in Toronto. Also, Adam Lambert shows off ...