Cast of 'Diana: The Musical' performs 'If' on 'GMA' | Full performance
Subscribe for more Broadway videos! Follow us on Twitter - https://twitter.com/broadwayhistory Fresh off their return to Broadway, Jeanna de Waal, Erin Davie, Judy Kaye, and Roe Hartrampf and the cast of Diana, The Musical appeared on Good Morning America to perform the musical's closing number, "If". Returning to the production include Jeanna de Waal as Diana, Roe Hartrampf as Prince Charles, Erin Davie as Camil…