Celebrity Secret Babies: Jessica Chastain, Kylie Jenner and More

Scarlett Johansson and more celebrity parents have welcomed “secret” babies over the years.

Johansson shares daughter Rose, born in 2014, with ex-husband Romain Dauriac and son Cosmo, born in 2021, with husband Colin Jost. She kept her second pregnancy under wraps, though Jost spilled the beans during a comedy show.

 “We’re having a baby,” Jost said in August 2021. “It’s exciting.”

One day later, Us Weekly confirmed that the little one had arrived. Jost subsequently took to Instagram to share that they welcomed a son.

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“OK OK we had a baby. His name is Cosmo. We love him very much,” the Saturday Night Live star captioned an Instagram statement. “Privacy would be greatly appreciated. or all inquiries, please contact our publicist [Michael Che]. #wegotawaywithitforalongtime #nokidspolicy #we’regoingtodisneyland.”

Scroll down to learn about other stars whose pregnancies went undetected:

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