Harry Potter To Appear on American Idol

This week, American Idol will have the biggest event in it's six year history with it's "Idol Gives Back" show.

Actor Daniel Radcliffe, better known as "Harry Potter" will be on hand along with Forest Whitaker, Hugh Grant, and Jack Black, among others. Musicians Gwen Stefani, Pink, Kelly Clarkson, and Celine Dion will perform on the Wednesday night special.

Ellen Degeneres, the popular host of this year's Oscar ceremonies, will be co-hosting the show.