Ke$ha and Orianthi To Perform on American Idol Results Show This Week

Both Ke$ha and Orianthi will perform on this week's American Idol Top 12 results show.  Ke$ha will sing her latest hit "Blah Blah Blah," while Orianthi will perform her hit "According to You."  David Cook had tweeted that he, too, will be appearing on the show, but his name didn't appear on the Fox press release announcing this week's performers.  Stay tuned.

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