Melissa McCarthy's 'Sesame Street' Dancing Lessons

Melissa McCarthy remains her lovable self in this preview of her appearance on Sesame Street Thursday, in which she shares a super-cute dance with Elmo.

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McCarthy and Elmo display the word of the day, "choreographer," but watch as McCarthy attempts to learn the "flap-a-waddle boom boom" move from a demanding penguin in a raspberry beret!

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McCarthy's Sesame Street appearance airs March 21 on PBS.