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In page Lesley Ann Warren:

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Warren began training as a ballet dancer at the age of 6, entering the School of American Ballet in 1961. The following year she made a tape of herself singing the Queen of the Night aria from The Magic Flute (the first and only time she sang opera).[citation needed] She entered the Actors Studio at the age of 17 — reputedly the youngest applicant ever to be accepted. Her Broadway debut came in 1963 in the musical 110 in the Shade. She won the Theatre World Award for her performance in the 1965 flop musical Drat! The Cat![1]