“Mamma Mia!” The Musical celebrates 25 years on London’s West End. Creator-producer Judy Craymer tells Christiane Amanpour the secret behind the show’s success and if they’ll be making a third movie.”Mamma Mia!” The Musical celebrates 25 years on London’s West End. Creator-producer Judy Craymer tells Christiane Amanpour the secret behind the show’s success and if they’ll be making a third movie.
