The couple, who already have three girls are calling the new arrival buddy and it is believed that he was born at about 6pm in a London hospital.
Jamie used Twitter to announce the news, where he wrote: “It’s a baby boy guys !!! im shock, were all very happy, mum was amazing and both are well and happy x4 kids!! What a great day!! Now I have to pretend to know about football!!”
Congratulations and best wishes go to the family.