Disney Channel and Idol worlds are colliding! On Tuesday night, Miley Cyrus will be the celeb mentor on American Idol. The Top 11 contestants will be singing hits that topped the Billboard Charts.
Then on Wednesday night, Miley will be performing her song "When I Look At You" from The Last Song. New couple Joe Jonas and Demi Lovato will also be taking the stage, performing their duet "Make A Wave".