Christina Aguilera on "The Voice" | NBC 10 Philadelphia

Christina Aguilera on "The Voice"

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    NEWSLETTERS

    Singer Christina Aguilera, coach on NBC's "The Voice," was greeted by thousands of fans as she stopped by "Extra" at The Grove to chat with host Mario Lopez about being a coach on the hit show, dream collaborations, motherhood, and her guilty pleasure. For more exclusive videos go to ExtraTV.com