“Okay, okay, we’ve had a baby. His name is Cosmo. We love him very much,” Jost wrote.
No details were shared about when the baby was born. He went on to say that “privacy would be greatly appreciated.”
This is the second child for Johansson, who has daughter Rose Dorothy (7) with her ex-husband Romain Dauriac.
The actress and ‘SNL’ star got engaged in 2019 and married in 2020.