American actress Olivia Munn’s daughter Méi is one year old. The 45-year-old actress took to her official Instagram on Wednesday, September 17, to share a carousel detailing Méi’s one-year celebration.
In the first slide, Olivia, wearing a white summer dress, holds her one-year-old daughter, who is wearing a baby blue onesie. In another slide, the mother of two shares a video of Méi’s birthday cake.
In the fifth slide, the actress shares a family photo featuring her husband, John Mulaney and their 3-year-old son, Malcom.
The post quickly garnered several reactions as netizens took to the comments section to celebrate little Méi.

One fan, @rebeccabella77, wrote: “She is adorable.”
Similar comments echoed this sentiment. Many fans wished Méi a happy birthday and praised the family.

@theterimckay_ commented: “Happy birthday, Mei! And look at you Olivia! Thriving in motherhood, we LOVE to see it. Bless you and your beautiful family.”
@otterboxz replied: “Wow she's cute. This one is dad's twinnie lol that's lovely how genetics do that.”
@r.bergstedt added: “Happy First di Birthday Mei mai adorable Bday Cake nice color too.”
More netizens commented, praising both Olivia and her daughter.

@karis772025 wrote: “Olivia, you are so incredibly beautiful! Lovely family! Happy birthday Mei.”
@goodnessfrommayes stated: “Happy Birthday to Mei!! She gets cuter every day. Thanks for including the chunky thigh shot lol.”
@sunheebeauty added: “Ok, I never loved a baby so much that I don't even know personallillily!!! Happy 1 Mei Mei You guys make the most beautiful babies, it's bananas!”
Olivia Munn calls Méi the happiest, smiliest baby
Olivia Munn took to her Instagram to celebrate her daughter's birthday. Her second child and only daughter, Méi, was born on September 14, 2024, through surrogacy. To celebrate the milestone, Olivia shared a lengthy message on Instagram.
In the message, Olivia described Méi as the happiest, smiliest baby in love with her older brother.
“We've been celebrating Mei's first birthday for the past few days (Sep 14). She is the happiest, smiliest baby who will also let you know exactly when she doesn't like something or want something you won't give her (she mostly wants all the sharp things ). She is absolutely in love with her big brother, if I'm in the room she insists that I be the one to hold her and her daddy is the only one who can put her to bed.”
Olivia continued to praise her daughter, listing all of her cute moments.
“She's so cute when she drinks out of straws, she wants to be independent but also have me carry her which is why her favorite place is in the front carrier, her favorite cuisine is Thai and no matter what room she's in she always manages to find the outlets. She's crawling, standing and desperate to walk.”
The Newsroom actress concluded her message by wishing Méi a happy birthday.
“Just like her Chinese zodiac and the translation of her name, she's the perfect mix of a dragon and a plum. Happiest First Birthday our Méi Méi girl. We love you we love you we love you.”
Olivia Munn and John Mulaney tied the knot in July 2024. They welcomed their first child, a son, in November 2021. Three years later, the couple had their second child, a daughter, in September 2024.
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