Secret Ingredient with Ashton Kutcher, Liam Payne, Vanessa Hudgens and Mario Batali

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Jimmy, Ashton Kutcher, Liam Payne and Vanessa Hudgens take turns guessing the unusual secret ingredient hidden in each course of a three-course meal.

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Secret Ingredient, ashton kutcher, Liam Payne, vanessa hudgens, Mario Batali
S4 E1629 minHighlightTalk and InterviewLatenight