The TV journalist took to Instagram to share her bub's name, Ezra.
"It's a boy! Our beautiful son was born late on Monday night. (28.01.19)," she shared on social media.
"We've named him Ezra and we are completely in love. So thrilled that our family of two is now a trio. We love you gorgeous boy."
Natalia is currently on maternity leave from Today as she spends precious time with her newborn.