For more than five decades, Olivia Newton-John has been one of our most successful and adored entertainers. A four-time Grammy Award winner, she is one of the world's bestselling recording artists of all time, with more than 100 million albums sold. Her starring roles in the iconic movies Grease and Xanadu catapulted her into super-stardom. Her appeal as a performer is timeless. In addition to her music and screen successes, Olivia is perhaps best...