Billie and Laurence welcomed their second child together over the Easter weekend - a little boy.
Laurence chose to break the happy news via his Twitter account, posting:
One born every minute. We had our minute today. Couldn't be happier. Beautiful boy. Everything fine."
The pair, who already have a three-year-old son, Winston, are yet to reveal a name for their newborn.
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Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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