Katy Perry's 10 Best (and Worst) Songs | Glamour
The Voice': Lana Scott Puts a Country Spin on a Katy Perry Pop Hit [Watch] ｜ Taste of Country - Opera News
Katy Perry and the End of Pop - The Atlantic
Katy Perry: 2012 ASCAP Pop Music Awards!: Photo 2650788 | Katy Perry Pictures | Just Jared
Katy Perry Vs. Taylor Swift: Pop Stars' Beef History Explained - Rolling Stone
Katy Perry reveals 'Witness' tracklist, featuring Hot Chip
KATY PERRY at the 29th Annual ASCAP Pop Music Awards in Hollywood – HawtCelebs
Katy Perry's 10 Best (and Worst) Songs | Glamour
Katy Perry 29th Annual ASCAP Pop Music Awards held at Renaissance Hollywood Hotel Hollywood California - 18.04.12 Stock Photo - Alamy
Katy Perry is a pop star again in When I'm Gone music video
Katy Perry playfully shows off her baby bump as she clowns around in new music video for Smile - ReadSector
From ABBA to Avicii: How Sweden dominates pop music | Ents & Arts News | Sky News
Top 10 Katy Perry Music Videos | WatchMojo.com
Katy Perry arriving for 29th Annual ASCAP Pop Music Awards, held at Grand Ballroom, Renaissance Hollywood
Best Katy Perry Songs: 20 Tracks That Shaped 21st-Century Pop
Watch Katy Perry & Alesso's Sleek “When I'm Gone” Music Video
Katy Perry Pop' Game App Lets Fans 'Charm' Their Way to Fame | Billboard – Billboard
Review: Katy Perry and Miley Cyrus stake their claims on pop stardom, again - Los Angeles Times
Katy Perry - Wikipedia
Katy Perry says she 'couldn't imagine living' while depressed - Los Angeles Times
Katy Perry could quit pop music for good and return to her folk roots in career U-turn - Irish Mirror Online
Dark Horse' Lawsuit: Katy Perry, Record Label Owe $2.78 Million for Copying Christian Rap Song | Fortune
Album Review: Katy Perry's 'Smile' - The New York Times
Which pop icon is your favorite: Lady Gaga or Katy Perry? | The Tylt
