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In page Carol Burnett:

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Burnett spent her first year in New York working as a hat-check girl and trying to land acting jobs. She and other girls living at the Rehearsal Club (a boarding house for women seriously pursuing acting careers) put on The Rehearsal Club Revue on March 3, 1955. They mailed invitations to agents, who showed up along with stars like Celeste Holm and Marlene Dietrich. Such attendance opened doors for several of the girls.[citation needed]