Which singer's career downfall was themselves?

Michael Jackson's career had some of the most massive difficulties in history. Of course, in the 80's, Jackson was when Jackson officially became the king of pop. In 1991, Jackson was on top when he signed a huge recording contract with Sony Music. His downfall began in 1993.

Jackson was accused of sexually abusing Jordon Chandler. He ended up canceling his tours, and his next album flopped, and allegations of sexual abuse were rampant. In 2009, Jackson was ready to rally. Aggressive paparazzi also hounded Jackson. Rumors circulated. He died just before his big comeback tour.