Know It All with Blake Lively

CLIP06/20/16
Details
Also available on the NBC app

Jimmy and Blake Lively face off in a game of knowledge and deception to see who can name more things in different categories before time runs out.

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Know It All, Blake Lively
S3 E1607 minHighlightTalk and InterviewLatenight
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