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In page Fred Astaire:

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Always insecure and believing his career was beginning to falter, Astaire surprised his audiences by announcing his retirement during the production of his next film, Blue Skies (1946), which reunited him with Bing Crosby. Although reportedly dissatisfied with roles where he lost the girl to Crosby, he carefully planned "Puttin' On the Ritz", an innovative song-and-dance routine indelibly associated with him, as his farewell dance. He then concentrated on his horse-racing interests and in 1947 founded the Fred Astaire Dance Studios, which he subsequently sold in 1966.[citation needed]