Watch Emma Watson turn bright red beatboxing for Hamilton Star Lin-Manuel Mirandas freestyle rap about gender equality. SUBSCRIBE to ABC NEWS: .<br />Best 1D Music Video▻▻ More Celebrity News ▻▻ Emma Watson celebrated International Womens Day by beatboxing and .<br />Hamilton goes to Hogwarts; cue muggle freakout. More: Its a well-known fact that Hamilton star Lin-Manuel Miranda is a wizard of .<br />Emma Watson agreed to beatbox for Lin-Manuel Miranda, the creator of Hamilton, if he freestyled about gender equity. Subscribe for more videos: .
