The first season of American Idol premiered on June 11, 2002, over four months after Pop Idol's first series ended, with Will Young winning the series, and continued until September 4, 2002. The first season was hosted by Ryan Seacrest and Brian Dunkleman, and the only season to feature Dunkleman in the show and left after the season ended. Paula Abdul, Simon Cowell, and Randy Jackson served as judges. Kelly Clarkson won the competition, defeating Justin Guarini, who finished in second place.