Julie Andrews is the last of the great Hollywood musical stars, unequaled by any in her time. In My Fair Lady, Julie Andrews had the biggest hit on Broadway. As the title character in Mary Poppins, she won an Academy Award. And, in 1965, The Sound of Music made her the most famous woman in the world and rescued Twentieth Century Fox from bankruptcy. Three years later, the disastrous Star! almost put the studio back under, and the leading lady of...