Olivia Munn & John Mulaney share first photo of newborn son & reveal his name

Olivia Munn and John Mulaney officially announced the birth of their son with an adorable photograph and revealed his name to the world. Olivia, 41, took to her Instagram to post her bundle of joy as he slept in a big blanket while wearing a tiny blue cap.

The Office Christmas Party star captioned: "My Golden Ox baby. Malcolm Hiệp Mulaney. Happy Holidays." She did not allow fans to react as she turned off the comments on her latest post.

The Saturday Night Live writer and comedian also shared the same pic and wrote: "Meet Malcolm Hiệp Mulaney. He has his whole life ahead of him. He hasn’t even tried seltzer yet." He added: "I’m very in love with him and his whole deal. Happy Holidays."

This comes just a month after it was revealed that the pair secretly welcomed their baby boy just before Thanksgiving.

At the time, TMZ had revealed that Olivia had her and John’s child on November 24 in Los Angeles.

That came just two months after standup comedian John, 39, publicly announced his relationship with Olivia and the news that the two were expecting when he appeared on Late Night with Seth Meyers.