Olivia Munn My daughter is reaching an important milestone!

On Thursday, November 14, the 44-year-old actress shared a carousel of photos on Instagram while she celebrated two months with her little daughter Méi. Munn included photos of herself hugging Méi and sitting on a couch in a store.

She also included a video of her husband John Mulaney42 years old, plays with Méi, moving her arms up and down and whispering to her. There were some cute shots of Munn making funny faces with his daughter and one of Mulaney and Méi making the same confused face.

“Two months today ,” the star captioned her post.

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Munn and Mulaney are the parents of Méi and their son Malcolm, 2.

Speaking exclusively to PEOPLE at the GQ Man of the Year party on Thursday, November 14, Mulaney revealed that his son Malcolm has settled into his role as big brother following the arrival of his sister.

“He’s fine. He likes it. It’s interesting, with our daughter, she’s two months old so she doesn’t do much,” the actor told PEOPLE. “And I think the first few weeks he thought she might be a toy because ‘She was squealing and he was like, ‘How can I make her do that again?’ Now I think he understands that she’s a little girl, yeah.

Speaking about her family’s holiday traditions, Mulaney added, “Let’s see.” Well, our son’s birthday falls right around Thanksgiving, so we always do some sort of combination with family in town “Malcolm’s Birthday, Thanksgiving”, so we’ll do that again.

In a series of sweet Instagram Stories posts shared on Friday, November 8, Writing The actress posted clips of herself feeding and burping Méi. In the first video, Munn asked the newborn if “we should take videos of ourselves.”

She added in on-screen text that Mulaney was “running after” Malcolm all day, joking that she had to take videos without his help.

“Me and my daughter,” she said, giving Méi her bottle. In another clip, Munn wiped Méi’s mouth and adjusted her green-striped outfit before burping her. “You’re so cute, you’re so little,” she told her daughter, who she also called a “squishy baby” in the clip’s text.