Katheryn Elizabeth Hudson (born October 25, 1984), known by her stage name Katy Perry, is an American singer, songwriter, and actress. Her album 'Teenage Dream' spawned five number one singles, becoming the first to do so after Michael Jackson's 'Bad', & Perry became the first female in history to achieve this milestone. She is the only artist to spend over 52 consecutive weeks in the top ten of the Billboard Hot 100, and has since extended this to 69 weeks. As of 2012, Perry has been nominated for eight Grammy Awards.
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