Tiffany and Debbie Gibson Travel Back to the '80s with Tour
WATCH: Neil Patrick Harris and Jayma Mays Get 'Smurf'd'!
Watch: Katy Perry, Neil Patrick Harris and George Lopez Heat Up the 'Smurfs' Premiere
Katy Perry Leads with Nine 2011 MTV Video Music Awards Nominations
Rebecca Black's Surreal First Meeting with Katy Perry
Video: Katy Perry Lends Her Voice For Smurfette In 'The Smurfs'
Julie Chen's 'Big Brother' House Tour
'Smurfs' Star Sofia Vergara: Katy Perry has the 'Perfect' Voice For Smurfette
Katy Perry Wants Fans To 'Just Dance' For A Chance To Meet Her On Tour
Lady Gaga Highest Paid Celeb According to Forbes
WATCH: Kevin McHale Woos Katy Perry in 'Last Friday Night' Music Video
WATCH: Katy Perry is Kathy Beth Terry for 'Last Friday Night'
Celebrity Trainer Harley Pasternak Gives Summer Shape-Up Tips
PICS: Stars Shape Up For Summer
