New pictures released as Britain's Prince George marks 3rd birthday

Britain's Prince George, the son of Prince William and his wife Kate, celebrated his third birthday on Friday with his father's office releasing new photographs of the great grandson of Queen Elizabeth. George, the third-in-line to the British throne, was pictured with the family dog Lupo and playing in the grounds of the country mansion in Norfolk, east England, which belongs to his parents, the Duke and Duchess of Cambridge. Photographs of the young prince, who attends a local nursery, are hug