'Most Loving and Silliest Relationship': John Mulaney Celebrates 'Incredible Mommy' Olivia Munn on Mother's Day

Olivia Munn was showered with love from her little boy and John Mulaney on Mother's Day.

The comedian, 41, shared a sweet photo of his partner Munn, 43, on his Instagram Stories, showing the actress and the couple's 2-year-old sonMalcolm Hiệp posing together.

"My son has the most incredible mommy and he knows it," Munn wrote. "It's the most loving and silliest relationship I've ever seen. Happy Mother's Day, Liv."

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In March, Munn shared on Instagramthat she'd been diagnosed with breast cancer, posting a series of photos from her time undergoing treatment over the last year. Part of her message talked about what her family has meant to her during this t -

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“I'm so thankful to my friends and family for loving me through this. I'm so thankful to John Mulaney for the nights he spent researching what every operation and medication meant and what side effects and recovery I could expect,” she wrote.

"For being there before I went into each surgery and being there when I woke up, always placing framed photos of our little boyMalcolmso it would be the first thing I saw when I opened my eyes.”

Munn shared an adorable videoon her Instagramwith her Malcolm a week after revealing her diagnosis, as the mother-son duo spent some time together in a park. Malcolm could be seen running through the grass toward his mom, who bent down to receive his huge hug.

Munn then lifted him into the air and kisses him, wiggling his body around.

"This is the best," she sweetly wrote in her caption.

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