Olivia Munn is sharing more adorable photos of baby Malcolm Hiệp!
In the first image, comedian Mulaney, 39, held the cute tot as Malcolm and Nick did a fist bump. "Malcolm tried out for the Yankees today," Munn captioned the snap.
The next two photos saw Nick, 41, and Reba actress JoAnna, 42, respectively holding the baby. "Malcolm is a human kettle bell," Munn jokingly wrote in a caption over the picture with Nick.
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The group also tried to pose together, with the candid result posted to Munn's Story. She captioned the shot, "When you try to get a group photo with 2 kids and a baby."
Mulaney revealed he and Munn were expecting their first child in September 2021.
"I got into this relationship that's been really beautiful with someone incredible," he said during an appearance on Late Night with Seth Meyers at the time. "And we're having a baby together. I was nervous when I was about to say the news!"
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An insider previously told PEOPLE that the Newsroom alum and Mulaney welcomed Malcolm on Nov. 24, 2021. The pair first introduced Malcolm to the world on Christmas Eve, with adorable photos of him inside a cozy blanket while sleeping.
"My Golden Ox baby. Malcolm Hiệp Mulaney. Happy Holidays," Munn captioned her post. Wrote Mulaney on his own snap: "Meet Malcolm Hiệp Mulaney. He has his whole life ahead of him. He hasn't even tried seltzer yet. I'm very in love with him and his whole deal. Happy Holidays."