katy perry

• Top 50 Most Viewed YouTube Channels Worldwide • Week Of 9/13/13
• Top 50 Most Viewed U.S. YouTube Channels • Week Of 8/23/13

  Footlocker and Rockstar Games are the big gainers this week, but who else made the U.S. Top 50 list?

  
• Top 50 Most Viewed YouTube Channels Worldwide • Week Of 8/23/13

  Both Lady Gaga and Katy Perry released new singles last week, but who won in terms of YouTube views?

  
• Want To Know Where Lyric Videos Came From? Watch This Brief History.

  Lady Gaga and Katy Perry are releasing Lyric Videos. But what are they? And how did they come to be?

  
• AMA’s Red Carpet Show LIVE on YouTube (Right Now)
• MTV’s ‘Unplugged’ Season 2 In The Works
• The Guild’s ‘Game On’ Tops Katy Perry’s ‘California Gurls’ on iTunes Charts
• Katy Perry Gets Intimate With Lisa Nova (And 2 Million Viewers)