Quick, who are the only two musicians in history to have five No. 1 singles from the same album? Michael Jackson and Katy Perry. The latter accomplished that feat with 2010 smash Teenage Dream, which continues to garner considerable airplay, and dollars, for the "Firework" singer. Her California Dreams tour grossed nearly $60 million. Perry also got plenty of attention from the media for her personal life this year. She split from comedian husband Russell Brand in December.
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