First Look Video: Glee Covers Whitney Houston's 'How Will I Know' - With a Twist

Glee is giving the Whitney Houston hit “How Will I Know” the acapella treatment.

In the following clip from next Tuesday’s tribute episode, Mercedes and her diva squad (Kurt included, natch) perform a stunning, stripped-down version of the late superstar’s ’80s dance classic.

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Press PLAY and then hit the comments with your sure-to-be glowing reviews.

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