American Idol Preview: Mariah Carey Night

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Mariah Carey is the guest mentor on American Idol tonight. Syesha Mercado must be psyched. She can match pipes with one of the best vocalists alive.

How will the other finalists react to this diva? What songs will they sing? We're just a few hours away from finding out.

For now, check out the following thumbnail images of all seven remaining contestants. Click on each for a larger version...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.