Julie Andrews and Carol Burnett perform onstage during Lincoln Center's American Songbook Gala at Alice Tully Hall, Feb. 1, 2017, in New York City.
VIDEO: Julie Andrews and daughter Emma Walton Hamilton sing 'Sentimental Journey'
VIDEO: Allison Williams channels her inner Julie Andrews and sings 'My Favorite Things'
VIDEO: Legendary Actress Julie Andrews Talks 'Julie's Greenroom' Live on 'GMA'
PHOTO: Julie Andrews plays Maria in a scene from the 1965 film "The Sound of Music."
PHOTO: Dick Van Dyke as Bert, Julie Andrews as Mary Poppins, Karen Dotrice as Jane Banks and Matthew Garber as Michael Banks in the Disney musical "Mary Poppins," 1964.
Julie Andrews performs on Main Street U.S.A. in the Magic Kingdom during the grand opening of Walt Disney World.
VIDEO: Fifty years after its release, Julie Andrews returns to Salzburg, Austria, with ABC News' Diane Sawyer.