Jay Jeno and Jimmy Fallon sing the duet "Tonight" from West Side Story: watch. (VIDEO)
Jay Leno and Jimmy Fallon Sing “Tonight”
Brow Beat
Slate's Culture Blog
April 2 2013 8:46 AM

Jay Leno and Jimmy Fallon Sing “Tonight”

Well, at least one of them is lip-synching—and if you have followed the “late night wars” closely, you may not entirely buy the fellow feeling put on display here, as the colleagues/rivals make their way through a version of “Tonight” from West Side Story with the lyrics changed.

The rousing last line is largely true, though: “People just watch online the next day!”

David Haglund is a senior editor at Slate. He runs Brow Beat, Slate's culture blog.

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