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Heart's Feel Good Weekend with Lilah Parsons 10pm - 1am
The chef has tweeted pictures of his new son Buddy Oliver and after three daughters he's very excited.
He wrote "It's a baby boy guys !!! I'm shock, were all very happy, mum was amazing and both are well and happy x4 kids!! what?!".
Jamie and his wife Jools already have three daughters Poppy, Daisy and Petal and earlier in the year when the coupld found out they were expecting another child Jamie said "it would be great to have a boy, as I am in a totally oestrogen-filled house. But I really don't mind as long as it's healthy."