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Olivia Munn and John Mulaney are entering a new chapter together. 

The Newsroom alum and the comedian—who first sparked relationship speculation in 2021—got married over the July 4 holiday weekend in a private ceremony held at a friend's New York home, according to People.

As for the guest list? The couple's 2-year-old son Malcolm and a witness were the only attendees at the nuptials, per the outlet.

E! News has reached out to reps for comment and has not heard back.

John and Olivia's relationship update comes just days after she celebrated her 44th birthday with her family by her side.

As the actress, who recently opened up about her breast cancer diagnosis, reflected on Instagram July 3, "What a year."

Indeed, 2023 has been a challenging one for Olivia, who endured four surgeries following her cancer diagnosis.

"Surprisingly, I only cried twice. I guess I haven't felt like there was time to cry," she shared in a March 13 Instagram post. "My focus narrowed and I tabled any emotions that I felt would interfere with my ability to stay clearheaded."

Olivia, who underwent a double a double mastectomy, says she was lucky.

"We caught it with enough time that I had options," she explained. "I want the same for any woman who might have to face this one day."

After Olivia shared her diagnosis publicly, John commended her for her strength. 

"Thank you for fighting so hard to be here for us," he commented on her Instagram post. "Malc and I adore you."

The pair's support for one another began even before they started dating. 

In fact, Olivia sent a public message to the 41-year-old in December 2020 after he entered rehab for addiction struggles.

"Sending SO MUCH love and support to John Mulaney," she wrote on X, formerly known as Twitter, at the time. "You got this."

Less than a year later, following John's split from then-wife Anna Marie Tendler, he confirmed his relationship with Olivia—who previously dated Aaron Rodgers and Chris Pine—and announced they were expecting a baby together.

"In the spring, I went to Los Angeles, and met and started to date a wonderful woman named Olivia—Olivia Munn," John told host Seth Meyers on Late Night in September 2021. "I'm going to be a dad. We're both really, really happy."

Since Malcolm's arrival in November 2021, both Olivia and John have continued to share insight into their life as a family of three.

Keep reading to see the trio’s sweetest photos together...

John Mulaney and Olivia Munn celebrated their son Malcolm's second birthday in November 2023.

The parents took Malcolm to the Gem State in June 2023.

Olivia shared this photo of her family of three on Father's Day 2023.

John and Olivia hit the beach with Malcom in March 2023.

The couple rang in theirMalcolm's first birthday in November 2022, with Olivia joking that her mom Kim was getting "impatient" with the cake-cutting.

John celebrated his 40th birthday with Olivia and Malcolm in August 2022.

Olivia snapped a sweet moment between John and their son on stage at Red Rocks Amphitheatre in Colorado in April 2022.

The family of three posed alongside fellow parents Dan Levy and Rachel Specter with their daughter Penny.

Olivia and John celebrated Malcolm turning 4 months old on March 24, 2022.

"Daddy" John cuddled with Malcolm on his 4-month birthdate before heading out to Texas.

The actress shared, "It's been 4 months since the happiest, chillest baby came into my world."

John peered over at his baby boy in this throwback photo from his birth. The comedian wrote in March 2022, "Four months ago I met a 6 lb boy who changed my life forever." 

Olivia captioned this adorable embrace with a teddy bear emoji.

Olivia shared a pic of Malcolm with his grandma a.k.a. the "retired tiger mom." 

Olivia gushed over her baby boy.

Olivia and John introduced Malcolm to friends Henry Golding and Liv Lo Golding, as well as the couple's daughter Lyla, in January 2022. 

John and Henry were seen laughing as they held up their tiny tots.

The friends snapped a selfie while introducing their babies.

As Olivia wrote, "Malcolm met Lyla today."

Olivia and John were pictured arm-in-arm during a sweet moment, seemingly gazing at their little one in January 2022.

"Uncle" Pete Davidson visited Malcolm in January 2022.

John gave his son a kiss on the cheek.

Malcolm fell asleep in dad's carrier during an outing at the Norton Simon Museum in Pasadena, Calif.

The Newsroom actress celebrated New Year's Day 2022 with a new pic of Malcolm.

John shared a selfie with his Malcolm, kept cozy in a blue beanie, while they took a walk.

Olivia shared that this was what it looked like "when your friend shows up and surprises you with a blowout even though you're in your robe and not going anywhere."

She said the new 'do made her "feel a little less post partum."

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