Beyonce's 'Crazy' 'American Idol' Showstopper!

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During the "American Idol" finale on Wednesday night, the audience at Nokia Theatre L.A. Live was graced with the presence of a real-life American idol - Beyoncé!
The ladies of Season 10 went through part of the diva's catalogue of hits, starting with "Single Ladies" and ending with "Crazy," where Beyoncé herself stepped out onstage in a risqué, silver sequined dress.
Watch the "American Idol" finale tonight on FOX to see who's crowned this season's winner.