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Scarlett Johansson, Colin Jost welcome baby boy

Scarlett Johansson and Colin Jost arrive for the 2018 Met Gala on May 7, 2018, at the Metropolitan Museum of Art in New York. - The Gala raises money for the Metropolitan Museum of Arts Costume Institute. The Gala's 2018 theme is Heavenly Bodies: Fashion and the Catholic Imagination. (Photo by Hector RETAMAL / AFP) (Photo credit should read HECTOR RETAMAL/AFP/Getty Images via CNN)

(CNN) — It’s a boy for Scarlett Johansson and Colin Jost.

Jost announced the news on his Instagram Wednesdasy.

“Ok ok we had a baby. His name is Cosmo. We love him very much,” Jost wrote.

No details as to when the baby was born were shared. He went on to say “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 wed in 2020.