It was an exciting week on American Idols ninth season as Casey James, Crystal Bowersox, Lee DeWyze, and Michael Lynche sang Songs from the Movies and they were mentored by triple threat Jamie Foxx. On Wednesday, two amazing American Idol alumni who only need to go by one name Fantasia and Daughtry returned to the stage to perform. To top it all off, Bon Jovi rocked the house with Superman Tonight. Unfortunately, one Idol finalist had to go home, and it was Big Mike. View photos from the Top 4...