Crosby, Stills And Nash And Fallon

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Crosby, Stills, Nash, and Fallon. Stephen Stills, Graham Nash, David Crosby, and Jimmy Fallon perform a special rendition of Iggy Azalea's hit "Fancy" on "The Tonight Show Starring Jimmy Fallon" on July 7 in New York

Photo: Douglas Gorenstein/NBC/NBCU Photo Bank via Getty Images

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