Pete Davidson was out with his 18-year-old purported girlfriend Kaia Gerber on Sunday night, sources told Page Six — at a comedy show unlikely to draw many other supermodels.

Gerber came out to see the “SNL” star at a New York Comedy Festival event, a quiz show called “Let’s Make a Poop” hosted by Triumph the Insult Comic Dog (the puppet made famous by comic Robert Smigel on “Late Night With Conan O’Brien”). Also on the panel were Anthony Scaramucci and MSNBC’s Lawrence O’Donnell.

Gerber was spotted backstage with Davidson at Murmrr in Brooklyn. They’ve been seen together several times since late October, when Davidson, 25, was spotted leaving Gerber’s apartment, Page Six exclusively reported. Last week, they had dinner at Nobu in Malibu, and sources told us that Gerber and Davidson were also on a date Saturday, wearing hoodies at Lure Fishbar.

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On Sunday night, Davidson took part in the “insult-packed game show, with celebrity panelists playing for charity and humiliation", per the show’s description.

During the “Jeopardy!” sendup, Davidson was given the clue: “First erected as a gift to all Americans, this is typically seen by up to 25,000 people a day, both Americans and foreigners.” His response? “My d - - k!”

His ex Ariana Grande infamously commented on Davidson’s, er, size, and he’s worked jokes into his act about it, saying of the pop star, “Everything is huge to her. Why would she tell everyone that I have a huge penis? So that every girl who sees my d–k for the rest of my life is disappointed?” He’s also dated Kate Beckinsale, Cazzie David and Margaret Qualley.

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Scaramucci also got laughs when he picked a lewdly named category: “ ‘Take It in the A–’ for $20.”

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Also on the last day of the comedy fest — during which more than 200 comics performed — Norm Macdonald sold out Carolines.

A rep for Gerber did not comment, and a rep for Davidson didn’t get back to us.