Alessandra Ambrosio has posted a touching photo on Twitter of her holding her newborn son's tiny hand.
She captioned the photo saying: "My little angel's hand!"
The Victoria's Secret Model gave birth to son Noah Phoenix Mazur on May 7.
She also announced the exciting news on Twitter: "Well, the day arrived and we couldn’t be more happy!!!
"Noah Phoenix was born yesterday afternoon and already stole our hearts," the 31-year-old told her fans.
"Anja is a proud big sister now and we are so thankful he is with us…"
Her fiancé Jamie Mazur also shared the happy news.
"Welcome my son, can’t wait to show you round this crazy place," he tweeted.
Photo: © Alessandra Ambrosio/Twitter