Bad is the seventh studio album by American singer Michael Jackson. It was released on August 31, 1987, by Epic Records, nearly five years after Jackson's previous studio album, Thriller. As of 2012 Bad itself has sold between 30 to 45 million copies worldwide, was certified 9 times Platinum in the United States alone, and has been cited as one of the 30 best-selling albums of all time. The album produced a record five Billboard Hot 100 number one singles, the first and one of only two albums to do so, the second being Katy Perry's 2010 album Teenage Dream.