Munn posted a series of photos showing some of the couple's biggest challenges.
The little cutie celebrated the milestone with chocolate cake.
Munn surprised Mulaney on the road by bringing their son on-stage at his Nashville show Friday.
Baby Malcolm celebrated nine months with an adorably oversized cowboy hat photo shoot.
Shaquille O’Neal’s second annual fundraising gala, ‘The Event,’ takes place Oct. 1 at the MGM Grand Garden Arena in Las Vegas.
The comedian drew reave reviews from fans and even the home team's announcers.
Mulaney, who welcomed the baby with girlfriend Olivia Munn, also revealed the places Malcolm has liked best so far.
Munn took to Instagram Tuesday to celebrate 6 months of being a mom.
The pair stepped in as Wednesday's 'Jimmy Kimmel Live!' guest hosts after Kimmel tested positive for the virus, once again.
The comedian hosted the sketch series for a fifth time over the weekend and addressed his new baby and his chaotic year.
Mulaney entered the five-timers club on Saturday with help from some comedy icons.
Oscar Isaac will also host an episode of the series.
ET is breaking down all the standout moments from Super Bowl LVI.
Olivia Munn and John Mulaney welcomed their son in November.
