John Mulaney and Olivia Munn dress their son Malcolm up as her mother Kim for Halloween

dailymail.co.uk:

John Mulaney and Olivia Munn decided to dress their son up in a very realistic Halloween costume.The 40-year-old comedian and the 42-year-old actress dressed up Malcolm, who was born almost one year ago, as Olivia's mother, Kim.They put their near-toddler in a gray T-shirt with dark blue lettering running across the chest.

They added red leggings to his ensemble and a black wig to help the uncanny resemblance. Family time: John Mulaney and Olivia Munn decided to dress their son up in a very realistic Halloween costumeDavid's sunflower seeds and a yellow Wheat Thins box sat at his feet which perfectly matched the comparison photo the Newsroom star posted.

The happy parents leaned forward and held their baby boy's hands on a couch covered in comfy blankets. A large orange and yellow 'Happy Halloween' was added to the photo above the smiling trio.

Like grandmother, like grandson: The 40-year-old comedian and the 42-year-old actress dressed up Malcolm, who was born almost one year ago, as Olivia's mother, Kim Sitting together: John sat, looking at his phone and seemingly speaking to his 11 month-old son The real life inspiration: Munn also shared an older photo where Mulaney and her mother reclined on a couch and chatted.