Katy Perry is an international pop superstar with 11 million albums sold worldwide and topped the charts in more than 25 countries. Her ‘Teenage Dream’ album was the second in history (after Michael Jackson’s ‘Bad’) to score five number one singles. Katy has hosted the EMA twice in a row (2008-09), performed three years in a row (2008-2010), and won multiple trophies, most recently Best Live in 2011.