Jamie Oliver and Jools Oliver Jamie Oliver and Jools Oliver

It's a boy for Jamie Oliver and wife Jools.

"It's a baby boy guys!!! I'm shock[ed], we're all very happy, mum was amazing and both are well and happy x4 kids!!" the celebrity chef tweeted on Wednesday.

See photos of Jamie Oliver

Buddy Bear Maurice Oliver weighed in at 6 pounds, 9 ounces. Oliver, 35, included two pictures of the baby.

Earlier this month, Oliver's Emmy-winning show, Jamie Oliver's Food Revolution, was picked up for a second season.

Jamie Oliver taking Food Revolution to Los Angeles

Buddy is the fourth child for Oliver and Jools, who have three daughters: Petal Blossom Rainbow, 17 months, Daisy Boo Pamela, 6, and Poppy Honey Rosie, 8.