Josh Brolin Expecting First Child With Wife Kathryn

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By Emily Surpless/Updated: Dec. 17, 2020 3:45 pm EST

Josh Brolin is growing his family!

On Tuesday, May 29, 2018, the Deadpool 2 star took to Instagram to announce that he and wife Kathryn Brolin are expecting their first child together — and it's a girl! Posting a photo of Kathryn showing off her baby bump while wearing athletic gear, Josh wrote, "There's a new sheriff in town, and she's no bigger than a sweet potato. Hang on to your hats."

The 50-year-old added the hashtags, "#jbkbstucktogether #lilbeanterritory #loveisaslovedoes."

A post shared by Josh Brolin (@joshbrolin) on May 29, 2018 at 8:04am PDT

Kathryn also shared news of her pregnancy on her own Instagram account, posting a picture of herself looking down at her exposed baby bump and writing, "Something's cookin... Baby Girl Brolin on the way."

A post shared by k a t h r y n b r o l i n (@kathrynbrolin) on May 29, 2018 at 8:06am PDT

Josh and Kathryn, who used to work as the actor's assistant, married in September 2016. While their unborn kiddo is their first child together, Josh is already a father to two children, 28-year-old daughter Eden and 29-year-old son Trevor, from his marriage to Alice Adair. Josh was also previously married to actress Diane Lane from 2004 to 2013.

Congratulations to the happy couple!