Series 6 of The X Factor premiered on August 22, 2009 and ended on December 13, 2009 on ITV. It was won by 18-year old pop singer Joe McElderry who was part of the Boys category mentored by Cheryl Cole, giving her second win in a row as a mentor. Until 2015, he was the youngest winner in the show's history. This series was watched by an average of 13 million viewers - over 2.5 million more than the previous series.