The ninth season of American Idol came to a sensational conclusion as Lee Dewyze was crowned the winner of American Idol 2010 during two hours live season finale on Wednesday as Crystal Bowersox becomes the runner-up. His victory was based on votes cast after Tuesday’s performances

The former American Idol winner, Kelly Clarkson, Ruben Studdard, Fantasia, Carrie Underwood, Taylor Hicks, Jordin Sparks, and Kris Allen performed “Together we are one” as part of a special tribute to Simon Cowell.

The evening was highlighted with performances by the Top 12 finalists and special musical guests. Lee took the stage with Chicago to sing “Does Anybody Really Know What Time It Is?” and “If You Leave Me Now”; and Crystal Bowersox rocked the house with Alanis Morissette on “Ironic” and “You Oughta Know.”

Casey James performed “Every Rose Has Its Thorn” with Bret Michaels, and Michael Lynche sang “Takin’ It To The Streets” with Michael McDonald. Aaron Kelly and Siobhan Magnus joined the Bee Gees for “How Deep Is Your Love,” and the Top 12 finalists performed a medley of “Again,” “Nothing” and “Nasty” with Janet Jackson. To cap off the night, Lee and Crystal joined Joe Cocker on “With A Little Help From My Friends.”