What Julie Andrews is really like behind the scenes - as Sound of Music legend turns 90

When Julie Andrews arrived on the set of The Sound of Music in 1964, she had recently finished filming another iconic role – much to the delight of the youngsters playing the Von Trapp children. 'She’d just filmed Mary Poppins and she taught us how to say "Supercalifragilisticexpialidocious",' Angela Cartwright, who played Brigitta, tells HELLO! in this exclusive interview. 'She taught us how to say it backwards, too, and it’s something I’ve never forgotten.' Julie’s performances in the two roles – Maria, the singing nun, and the 'practically perfect' nanny Mary, for which she won an Academy Award for Best Actress – made her one of the world’s biggest stars. With her beautiful singing voice, radiant presence and natural warmth, she instantly became one of its best-loved, too. Now,