READ MORE: Kate Middleton, Prince George, Princess Charlotte and Prince Louis wave to crowds from carriage "Prince George is so William’s mini me!" one enthused, while another admitted they "couldn't believe" how much George has grown up. "Prince George looks just like Prince William," a third penned, "It's like he's his a younger William's twin!"A fourth simply put it: "Prince George looking so very much like Prince William. " MyLondon reporters Rebecca Russell and Ella Bennett are at the Mall, and you can keep up with all their updates here.