VIDEO: Beyonce Guest Mentors, Premieres New Video On American Idol

May 19 2011, Published 9:45 a.m. ET

Gorgeous Beyonce Knowles served as the guest mentor Wednesday on American Idol, where she premiered her new video, Run The World (Girls).

The Single Ladies singer said the remaining contestants -- Haley Reinhart, Scotty McCreery and Lauren Alaina -- "are unbelievable.

"There is something very unique about each of them," the wife of hip-hop powerhouse Jay-Z said of the three finalists. "I think America is going to have a tough decision."

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Watch the video on Breaking Celebrity News

Someone's going home when American Idol returns Thursday on Fox at 8/7c. This season's champ will be announced on the show's May 25 finale.

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