This Girl Suffering From An Anxiety Disorder Delivers A Hair-Raising Performance On "America's Got Talent"

    It's amazing what being on stage can do for people.

    Anna Clendening, a 20-year-old singer suffering from anxiety and depression, performs a stunning cover of Leonard Cohen's "Hallelujah."

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    Just a few months ago, Anna -- who was diagnosed with an anxiety disorder when she was 14 -- was on the verge of a major breakdown.

    And so when she finally took the stage, it's safe to say that she was a bit overwhelmed.

    But when she began to sing, it was like all of her insecurities were gone, and she took complete control of the stage.

    When her performance was over, Howie Mandel (who RARELY touches people), ran on stage to comfort and congratulate her with a hug.

    The judges then weighed in on her performance:

    After receiving a YES from all four judges, Anna couldn't help but breakdown with tears of joy.