Queen Elizabeth II gave Prince Harry and Meghan Markle her blessing to name their baby girl, Lilibet «Lili» Diana Mountbatten-Windsor, in her honor.A source tells ET that Her Royal Majesty was the first one the Duke and Duchess of Sussex called when their newborn daughter arrived, adding that she's already met the baby girl over video call. Lilibet was born Friday, June 4 at 11:40 a.m.