Olivia Munn celebrates being 'mama' to 6-month old baby Malcolm

Olivia Munn celebrates being a "mama" to her son Malcolm, whom she shares with Saturday Night Live comedian John Mulaney, six months after giving birth by sharing an adorable snap with her little cutie and dedicating a long message on Instagram.

The actress began her lengthy post "6 months ago today Malcolm made me his mama." And continued to reveal that it had been "so much fun getting to know him [baby Malcom]."

Olivia added in her post, "He loves meeting people, he loves his best friend Penny and thinks she’s hysterical," before revealing a few more details about her bundle of joy, "he’s tried peanut butter (thank you @mmcnearney + @jimmykimmel), he sleeps through the night 12 hours straight (thank you@mindykaling for sharing your invaluable, trusted and vetted resources), he wakes up from every nap with a huge smile and giggle, he LOVES when we read him books, he lets out a squeal and kicks his legs whenever his daddy comes home,"

She continued in her post: "I can’t stress enough how much he loves bathtime and he loves being outside and looking at the trees and the sky. I love you so much Malcolm Hiệp. Happy 6 months being earthside with us. You lit up our whole world."