Kim Kardashian, Kanye West Meet Caitlyn Jenner for First Time on ‘I Am Cait’
‘High School Musical’ Cast Reunite for Throwback Selfie at ‘Descendants’ Premiere
Kelly Clarkson Covers Taylor Swift’s ‘Blank Space': ‘She Writes Some Killer Songs’
Louis Tomlinson Rips Liam Payne’s Shirt Open During One Direction Concert
This Mashup of ‘Harry Potter’ and ‘See You Again’ Is Saddest Thing You’ll See Today
Who Was Most Nervous to Perform at Grammys’ Beatles Special?
Beyonce, Katy Perry, Rihanna, and More in Valentine’s Day Mashup
SEMI FINALS: Vote for Your Favorite Cover of Katy Perry’s ‘Dark Horse’
ROUND 3: Vote for Your Favorite Cover of Katy Perry’s ‘Dark Horse’
Katy Perry Is Fierce in First CoverGirl Commercial: Watch
John Mayer Reveals His Valentine’s Day Plans Sans Girlfriend Katy Perry
The 30 Best Looks From the Grammys Red Carpet: Photos
ROUND 2: Vote For Your Favorite Cover of Katy Perry’s ‘Dark Horse’
Katy Perry Poses as Sexy Pin-Up, Talks Aliens in ‘GQ': See the Photos
Katy Perry Reveals Custom Stage for ‘Prismatic’ World Tour
ROUND 2: Vote for Your Favorite Cover of One Direction’s ‘Story of My Life&...
Katy Perry Reveals Her Pre-Show Rituals
ROUND 1: Vote For Your Favorite Cover of Katy Perry’s ‘Dark Horse’
Who is Katy Perry Bringing on Her ‘Prismatic’ World Tour?
ROUND 1: Vote for Your Favorite Cover of One Direction’s ‘Story of My Life&...
Katy Perry Gets Animated in ‘Dark Horse’ Cover Art
Katy Perry, Lorde, Pharrell, More Added as Grammys Performers
Katy Perry Confirms Upcoming Collaboration With Rihanna
What Are Katy Perry’s New Year’s Resolutions?
Katy Perry and John Mayer Spoof the ’70s on ‘Ellen': Watch
Katy Perry to Host ‘American Top 40′ This Weekend: Details
5 Essential GIFs of Katy and John Riding a Bull in ‘Who You Love’
Fate Under Fire Wins Favorite Cover of Katy Perry’s ‘Roar’
Katy Perry: John Mayer Came up With ‘Who You Love’ Video Concept