Colin Jost is a writer on Saturday Night Live, but he made his TV debut as a stand-up comedian on a different floor of 30 Rock last night, performing on Late Night with Jimmy Fallon.

Jost was a "new face" at last summer's Just For Laughs in Montreal, and he now joins several other former new facers from the past couple of years to get the opportunity to present their showcase sets on Fallon.

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