Celebrity Parents The 'Smooshiest' Photos of Olivia Munn and John Mulaney's Newborn Son, Malcolm Hiệp Mulaney The cutest Mulaney made his Instagram debut on Christmas Eve 2021 By Diane J. Cho Diane J. Cho Diane J. Cho was the Features Editor of PEOPLE Digital from 2019 to 2022. She worked at the brand for nearly four years covering news, features, human interest, evergreen, holiday gift guides and more. She launched the How I Parent and What It's Really Like to Be …. digital series and has interviewed several celebrities and influential leaders within the entertainment industry. Prior to joining PEOPLE, Diane worked at Bustle, VH1 and Complex. She received her bachelor's degree in Journalism from Rutgers University and her master's degree from Columbia Journalism School. People Editorial Guidelines Updated on May 9, 2022 03:46 PM Share Tweet Pin Email Trending Videos 01 of 35 World, Meet Malcolm John Mulaney / Instagram Actor-comedian John Mulaney revealed that he and actress Olivia Munn were expecting on Late Night with Seth Meyers in September 2021. "I got into this relationship that's been really beautiful with someone incredible ... And we're having a baby together," he told Meyers at the time. Then on Christmas Eve, the couple gifted fans with precious photos of their first child together, a son named Malcolm. "Meet Malcolm Hiệp Mulaney. He has his whole life ahead of him. He hasn't even tried seltzer yet," dad Mulaney joked on Instagram. "I'm very in love with him and his whole deal. Happy Holidays." Mom Munn also shared a photo of the newborn on her account, writing, "My Golden Ox baby. Malcolm Hiệp Mulaney. Happy Holidays. ❤️💚" 02 of 35 Cuddle Buddies Olivia Munn/Instagram Munn kicked off 2022 with a new forever cuddle buddy. The star shared an adorable pic of herself with her son cuddling in bed on New Year's Day. 03 of 35 Bun in the Oven olivia munn/ instagram Munn posted a playful photo of Mulaney putting baby Malcolm in a bao steamer on her Instagram Story, captioning the shot, "Lol, daddy's new báhn bao recipe." 04 of 35 Honey Buns olivia munn/ instagram She followed up the cute Story with another she captioned, "adora-bao." 05 of 35 Big Kisses Olivia Munn/instagram. inset: getty Gushing over her little cutie, Munn shared a snap of Mulaney going in for a big kiss. "The smooshiest smoosh 💋," she wrote, before admitting, "(And yep, our Christmas tree is still up 🙈)" 06 of 35 Comfy and Cozy Olivia munn/instagram; Inset: Presley Ann/Getty Images Munn shared a photo of Malcolm looking comfy and cozy to her Instagram Story on Jan. 13, thanks to some mittens knit by Munn's mom. "My mom made Malcolm Bernie Sanders' mittens," Munn captioned the photo of Malcolm being held in a baby carrier. In the next slide on her Story, she included the now-famous photo of the Vermont senator wearing mittens at the 2020 inauguration for reference. 07 of 35 Thumbs Up john mulaney/instagram Mulaney posted a series of photos with Malcolm in January 2022, writing in the caption, "Happy Birthday to the tiny man who has been stuck to me for two months. Whoever you are sir, you sure are a fun companion." 08 of 35 Looking Up to Dad john mulaney/instagram Malcolm certainly looks up to his dad — literally! 09 of 35 Sweet Selfie john mulaney/instagram In one photo, Mulaney smiled at the camera as his son looked up at him while resting on his chest. 10 of 35 Kisses from Dad john mulaney/instagram Mulaney showed his little guy some love, giving him a smooch in another photo. 11 of 35 Shock and Awe john mulaney/instagram The father and son shared matching, shocked expressions on their faces while out for a walk. 12 of 35 I See You john mulaney/instagram Malcolm has already mastered the side-eye! He showed off his skill in a photo, while wearing a Dodgers cap on a walk with Dad. 13 of 35 Glam Squad Malcolm wasn't impressed by Mom's glam setup (though she was!). In a mirror selfie taken by Munn, Malcolm rested on her lap while the actress got a blow-out from a friend, "making today feel a little less post partum," she wrote. 14 of 35 Everything's 'Butter' with You Olivia Munn/Instagram; Inset: Emma McIntyre/Getty Munn couldn't help but squeeze her son's adorable cheeks as he cooed during a cuddle session. "Misson to turn Malcolm into a real live buttered biscuit is almost complete," the X-Men: Apocalypse star said of the moment. 15 of 35 Pint-Sized Fitness Olivia Munn/Instagram Go, Malcolm, go! The little one leaned into tummy time with Dad, who jokingly translated what his baby was trying to say. "Did you say 'roar'? Did you say 'yeah'? Are you taking it to the limit?" Mulaney teased. Munn celebrated Malcolm's impressive upper-body strength on her Instagram Story, writing "Malcolm works out way more than me right now. #tummytime." 16 of 35 Feed Me! Olivia Munn/Instagram Opening up about the highs and lows of breastfeeding, Munn shared a snap of her little guy happily eating away. 17 of 35 Marshmallow Man Olivia Munn/Instagram In another early 2022 post, Munn jokingly compared her growing guy to the Stay Puft Marshmallow Man. 18 of 35 Her Funny Valentines How did the family of three celebrate Valentine's Day? On the couch watching Bosch, of course! 19 of 35 Double Date Olivia Munn/Instagram Malcolm met Henry Golding's daughter Lyla for the first time in late January, and the two had the cutest (parent-supervised) playdate. "Malcolm met Lyla today 😍," Munn captioned a carousel of images from the occasion. 20 of 35 Hey Uncle Pete John Mulaney/Instagram Malcolm got a surprise visit from Saturday Night Live star Pete Davidson and Mulaney shared a cute video from the hang on his Instagram Stories. "Uncle Pete!" he wrote with a photo of the new pals, which was set to the "F.U.N. Song" from Spongebob Squarepants. Davidson sat on the couch with the 2-month-old in his lap, as Malcolm looked up at him. "Yeah, babies are all head," he jokingly observed to the new parents, who could be heard laughing in the background. 21 of 35 Proud Mom Olivia Munn Instagram Munn shared a snap of her 3-month-old visiting his dad on the set of Saturday Night Live. The star posed next to a television screen that showed a black and white image of Mulaney (who hosted the Feb. 26 show) as he gave their son a kiss on the head. "Proud of my guys," she captioned the pic. 22 of 35 Mom Jokes Olivia Munn Instagram In another adorable moment, Munn also shared a shot of Mulaney standing in a dressing room holding their baby boy as they both wore dress suits. "Malcolm visited SNL Thursday afternoon. Here he is looking like your uncle being carried out of a wedding because he went too hard," she joked. The actress then shared the sweet snap on her Instagram Story, adding, "My favorite photo." 23 of 35 Baby Bear Olivia Munn/Instagram Munn is loving her little guy, who's wearing the cutest brown sweater in this photo with dad. The star shared the pic on Instagram and captioned it with a teddy bear emoji and a brown heart. 24 of 35 Marking 4 Months oliviamunn/Instagram "It's been 4 months since the happiest, chillest baby came into my world," Munn shared on Instagram, alongside a photo of the cute duo. "He wakes up smiling every single morning without fail, he loves bath time so much that he kicks his legs and looks around whenever he hears the sound of the tub filling up, his tiny fists are his favorite things to gum on and he squeals and follows along page by page whenever we read to him." She continued, "I, on the other hand, rotate the same three t-shirts and sweatshirts. 🤪" The proud mom ended her tribute to her baby boy by writing, "Happy 4 month birthday Malcolm. I love you I love you I love you" 25 of 35 First Timer Olivia Munn/Instagram Munn posted an adorable series of photos to Instagram in April 2022, revealing that she and Mulaney took Malcolm to his first restaurant. The photos featured Munn and Mulaney enjoying pho with their baby boy. "Crazy phở you 🍜," Munn wrote in the caption. 26 of 35 Dazed and Confused Olivia Munn/Instagram. Inset: Olivia Munn/Instagram Dad and Malcolm were mesmerized by a particularly fashionable giraffe, and mom captured the cute moment. "A giraffe wearing a shirt was really confusing for these two," Munn joked on Instagram. 27 of 35 A Hand to Hold Olivia Munn/Instagram "But also 😍😍😍😍 the last pic," Munn added, referring to a shot of Malcolm's tiny hand holding his daddy's. 28 of 35 Lap of Luxury Olivia Munn/Instagram It's not easy finding an accommodating spot for new parents when it comes to public bathrooms. Munn shared her joy on Instagram when she found one, writing, "A single occupancy public bathroom that locks… a luxury for parents." 29 of 35 Family Ties olivia munn/instagram In May, Munn shared a series of photos on her Instagram Story of the moment her 5-month-old son Malcolm Hiệp met his great uncle for the first time. In the sweet photos, baby Malcolm smiled as he cuddled with his great uncle, Vinh Hiệp Luong, whom Munn said she named her son after. "Malcolm got to meet his great uncle. His middle name is named after him💛," Munn wrote, calling her uncle her "favorite." 30 of 35 Laugh Factory Olivia Munn/Instagram On Mulaney's first Father's Day in June, Munn sent wishes to "Malcolm's assistant." 31 of 35 Six Is Sweet Olivia Munn and son Malcolm. Olivia Munn/Instagram On the baby boy's 6-month birthday, Munn posted an adorable photo and equally sweet tribute, saying that Malcolm "lit up our whole world." 32 of 35 Cheek to Cheek Olivia Munn/Instagram "He *might* be getting my dimple," Munn posted alongside a series of snaps that showed the pair's similarities. 33 of 35 Smoosh Olivia Munn/Instagram That's it, that's the tweet! 34 of 35 Nine Is Nifty Olivia Munn/Instagram Munn celebrated her little guy's 9-month birthday with a big hat. 35 of 35 Lash Out Olivia Munn/Instagram Could he be any cuter?!