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Katy Perry Struck by Car in Epic ‘Unconditionally’ Music Video
ROUND 4: Vote for Your Favorite Cover of Katy Perry’s ‘Roar’
Katy Perry Announces ‘Prismatic’ World Tour: See the Poster
Katy Perry Previews ‘Unconditionally’ Music Video
ROUND 3: Vote for Your Favorite Cover of Katy Perry’s ‘Roar’
Miley Cyrus Twerks, Katy Perry Gets Emotional at EMAs: Videos
Katy Perry Wears Diamond Ring … Is It From John Mayer?
Adam Lambert Makes ‘Glee’ Debut on Katy Perry-Lady Gaga Episode
People’s Choice Awards: Katy Perry, Justin Timberlake Lead With 5 Noms
Katy Perry Poses With Geisha Girls and Giant Robot in Japan: Photos
ROUND 2: Vote for Your Favorite Cover of Katy Perry’s ‘Roar’
Katy Perry and Robert Pattinson Sing Karaoke in 2008 Video
Happy Birthday, Katy Perry! 29 of Her Craziest Outfits
Katy Perry Says Prism Tour Will Bring Her Closer to Fans Than Ever
Katy Perry Performs, Shares Stories at iHeartRadio ‘Prism’ Release Party
ROUND 1: Vote for Your Favorite Cover of Katy Perry’s ‘Roar’
Katy Perry: Writing ‘Prism’ Poured Out ‘Like Niagara Falls’
Katy Perry Wants to Show Fans Her New, Improved Cards
Katy Perry Releases Lyric Video for ‘Unconditionally': Watch
Katy Perry Named New CoverGirl Spokesperson: See Her First Ad
Bonnie McKee: I’ll ‘Absolutely’ Collaborate With Katy Perry
Katy Perry Reveals The Meaning Behind Her Album Name ‘Prism’
Katy Perry Gives Fans Sneak Peek at ‘Prism': Listen
Selena Gomez Covers Katy Perry’s ‘Roar’ in Concert: Watch