Watch Sara Bareilles Don Her Apron to Sing with the Cast of Waitress
Sara Bareilles, currently making her Broadway acting debut in Waitress (the hit musical for which she penned the score), made a surprise appearance on the May 16 episode of Good Morning America. The Grammy-nommed singer-songwriter, who received a Tony nomination for the musical's original tunes, lived up to one of her bouncy numbers by “Opening Up” a performance segment of the morning T…