The stunned look on Scarlett Johansson's face during a "vulgar" joke swap segment on "Saturday Night Live" in December was no act.

For the pair’s joke swap skit, Jost, 42, was forced to read Che’s absurd quips about Johansson — including one where Jost said he’s “eating roast beef every night since my wife had the kid” — as the actress watched from backstage in shock.

Live's Colin Jost surprised wife Scarlett Johansson during her stint as Jenna Bush Hager's guest cohost on the Today, where they debated over their parenting skills.