Ulrika Jonsson and Brian Monet
The TV presenter gave birth to her fourth child and named him Malcolm Monet - three months after she married his father and her third husband, US advertising executive Brian Monet.
The baby boy weighed in at 10lb, she said: "I'm delighted and hope my family is now complete."
Jonsson had her first child Cameron, with first husband John Turnbull, her second child Bo, with Markus Kempen and her third, Martha, by second husband Lance Gerrard-Wright.