The TV presenter gave birth to a boy on Saturday, with 3rd husband Brian Monet by her side.
Baby Malcolm weighed a healthy 10lb.
'I'm delighted and hope my family is now complete,' says Ulrika.
The former weather girl, 40, has 3 other children - Cameron, 13, Bo, 7, and Martha, 4 - all with different fathers.
She wed ad exec Brian, 39, in March.
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