First Portraits of Prince Louis Have Been Released The portrait of the newest addition to The Royal Family was taken on Apr. 26, three days after his birth. Photo On May 2, Princess Charlotte’s birthday, Prince Louis cozied up with his big sister for another adorable photo-op at the Kensington Palace. Photo “Their Royal Highnesses would like to thank members of the public for all of the kind messages they have received following the birth of Prince Louis, and for Princess Charlotte’s third birthday.” Duchess of Cambridge, Kate, and now a mother of three, took both of the photos. #Cutenessoverload