Popsugar Celebrity Olivia Munn How Many Kids Do John Mulaney and Olivia Munn Have? Olivia Munn and John Mulaney's Son Turns 1! See How the Family Celebrated Malcolm's Birthday November 28, 2022 by Kate Schweitzer First Published: January 25, 2022 View On One Page Photo 5 of 25 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by John Mulaney (@johnmulaney) Share This Link Copy ← Use Arrow Keys → 5 Previous Next Start Slideshow Olivia MunnCelebrity FamiliesJohn Mulaney