Jimmy Fallon wants to make you laugh 'til your stomach hurts. Well, he found a gross way to make his own belly writhe in pain.

On Wednesday's episode of The Tonight Show, Fallon sat down with Ashton Kutcher, Vanessa Hudgens and Liam Payne to play Secret Ingredient. For the uninitiated, that's when a wonderful dish is served with a surprise and totally out-of-place ingredient, which the contestants have to guess. Celebrity chef Mario Batali presided over the proceedings, which are not for the faint of heart -- or weak of stomach.

Over on Late Night, Seth Meyers' popular "A Closer Look" segment once again took on politics. This time, Meyers tackled the Republican healthcare plan, which he picked apart.

Jimmy Kimmel, meanwhile, scoured the country to find regular folks whose names perfectly match the jobs they have (you know, like Mr. Bookman, the library cop on Seinfeld). There are a few people who appeared on his show and we highly recommend you stick around to see the name of the gynecologist.

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