News John Mulaney celebrates birthday with Olivia Munn, son Malcolm: ‘Turning 40 with my little family’ August 27, 2022 Hannah Yasharoff, USA TODAY Comments Off on John Mulaney celebrates birthday with Olivia Munn, son Malcolm: ‘Turning 40 with my little family’ John Mulaney celebrated his 40th birthday with an onstage surprise from his partner Olivia Munn and their 9-month-old son, Malcolm.