Jennifer Lawrence's First Acting Gig In A "My Super Sweet Sixteen" Commercial

    And now I can't get the "happy birthday happy birthday" song out of my head.

    In her acceptance speech at the SAG Awards, Jennifer Lawrence thanked MTV for casting her in her first legit acting role: a My Super Sweet Sixteen commercial.

    And here's that "My Super Sweet Sixteen" commercial, which you'll probably totally remember:

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