The Tonight Show starring Jimmy Fallon pretty much nails it most times when it comes to guests, but this episode was particularly deadly.
Joining Jimmy was Liam Payne, Ashton Kutcher, Vanessa Hudgens and chef, Mario Batali.
They took part in a game of 'Secret Ingredient.'
Each of the stars took it in turns to guess the secret ingredient in each dish of their three course meal.
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