Jamie Oliver has become a father to his fifth child - a boy who the TV chef told fans weighs the same as "16 packs of butter".
The "beyond happy" star, 41, and wife Jools already have three girls - Poppy Honey Rosie, Daisy Boo Pamela and Petal Blossom Rainbow - and a boy, Buddy Bear Maurice.
The couple have not yet decided on a name for the new addition to their family.
They did not know the sex of their unborn child and Jamie has previously admitted that "a bit more testosterone would probably be a good thing".
He posted a snap of the sleeping baby swaddled in a blanket on his Facebook page.
Jools Oliver, 41, a former model who now has a children's clothing line, posted a picture of herself breastfeeding the baby on her Instagram page.
She said her two eldest daughters cut the baby's cord.
"Little baby boy Oliver has arrived. We are so very happy, blessed, grateful and totally in love all over again and so very proud of our two eldest daughters who cut the cord. Jamie was my hero. (no name yet)!!! XXXX," she wrote.
The Naked Chef has previously insisted that baby number five will be the couple's last.
"I mean, it's just getting ridiculous otherwise," he said. "This (baby) was not expected, I can't even believe I'm saying it. I think my own family were like 'Really?'"
He added: "I do what I'm told, but she's an amazing family maker, and I just go with it!"
And the star has hinted that, just like his siblings, the fifth baby will have an unusual name, with the couple likely to go for seasons or "something floral or from the natural world".