Prince Harry got rave reviews as he serenaded the audience at a charity performance of "Hamilton." The royal performed his own version of "You'll Be Back" before the crowd broke into applause in London. Harry attended the event with his wife, Meghan Markle, the Duchess of Sussex. The special show was dedicated to raising funds for Sentebale, an organization that helps people affected by HIV in Lesotho and Botswana. InsideEdition.com's Leigh Scheps (http://twitter.com/LeighTVReporter) has more.