Crosby, Stills & Nash sing 'Fancy' with Neil Young on Tonight Show (VIDEO)

Jimmy Fallon as Neil Young was joined by Crosby, Stills & Nash singing 'Fancy' by Iggy Azalea on The Tonight Show starring Jimmy Fallon on Monday, July 7, 2014.

Brilliant.

Jimmy's Neil Young is always perfect.

Neil Young was an occasional member of Crosby, Stills & Nash, calling themselves Crosby, Stills, Nash & Young. All of them have been inducted into the Rock and Roll Hall of Fame twice.

Jimmy Fallon is back with live shows in New York City this week after taking a holiday break after airing shows from Orlando, Florida.

His guests on Monday included Kiefer Sutherland and Nicole Richie.