John Cena explains new haircut, talks children’s book ‘Elbow Grease’

Actor and WWE star John Cena sits down with Hoda Kotb and Shaquille O'Neal to talk about his new children’s book, “Elbow Grease,” which he hopes sends a message to never give up. Cena also discusses his new hairstyle, explaining that he’s grown it out for a new movie he’s filming.

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