The Duke of Cambridge said his spaniel Lupo was "coping alright" with the new addition to the family.
Prince William said, "As a lot of people know who have got dogs and are bringing a newborn back, they take a bit of time to adapt, but he's been alright so far."
More top news
Cloud and rain will wriggle it's way into the Channel Islands, Cornwall and the Isles of Scilly later and here it'll feel muggy.
ITV News political correspondent examines the reaction to Labour's Pledge Stone.
The high-profile couple blamed their schedules and not being able to spend time together on their mutual decision to end their relationship.