Keeps In Shape - At an Age when most women sit placidly in rocking chairs, Mistinguette does brisk setting-up exercises each day to keep in shape. "Miss" to 70. She has two grand-children in their early twenties. The million dollar legs in a daily dozen while Maurice Chevalier smiles from the piano. Mistinguett, Paris music-hall idol, who once insured her legs for ?1,000,000, broke down when she opened her London season at the Casino Theatre last night. April 18, 1947. (Photo by ACME).