Olivia Munn and John Mulaney Celebrate Son Malcolm's First Birthday: Watch Him Say 'I Love You'

He's 1! Olivia Munn, John Mulaney Celebrate 'Joyful' Malcolm's Birthday

See How Olivia Munn and John Mulaney Celebrated Son's First Birthday

Fans left devastated as Olivia Attwood left missing from I'm A Celebrity final