‘This Is Us’ star Chris Sullivan, wife Rachel welcome baby boy

‘This Is Us’ star Chris Sullivan and wife Rachel welcome baby boy

"This Is Us" star Chris Sullivan has become a dad.

According to People magazine, the actor and his wife, Rachel, welcomed son Bear Maxwell on Tuesday night. The baby is the couple's first child, the outlet reported.

Sullivan, 40, took to Instagram on Thursday to share the news, along with a photo of the newborn's feet.

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"HE HAS ARRIVED!" Sullivan captioned the post. "8lbs of beautiful baby boy. Witnessing @therealrachelsullivan bring our first son into this world, after 20 hours of labor, was one of the great honors of my life. It was primal and intentional, and I have never been more in love with this powerful woman." ⁣

He added that his wife and son were "resting and recovering well."

"Everyone is healthy and exhausted," Sullivan wrote.

His "This Is Us" co-stars, including Chrissy Metz, congratulated the family in the comments.

“You are the real MVP, @therealrachelsullivan!” Metz wrote. “Congratulations again and again to all three of you! Also, I can’t handle the little feet.”