Seeming to confirm the news herself, Serena posted two pictures of herself to Instagram in which she appeared to be posing in some very royal-looking rooms.
Serena isn't the first of Meghan's inner circle to pay Baby Archie a visit. Mum Doria was with the Suits actress for the birth, the Queen and the Duke and Duchess of Cambridge have all met the royal baby and Meghan's BFF Jessica Mulroney was spotting flying into London from Canada last week.
What we’d give to be a fly on the wall in Frogmore Cottage!