Prince Louis and Princess Kate Chris Jackson - WPA Pool/Getty Images Princess Kate Middleton and Prince William bucked tradition by not sharing a new picture of Prince Louis in the early hours of his birthday. Royal fans keen to mark the youngster’s 6th year of life with a celebratory snap were left disappointed that his parents’ social media accounts initially stayed silent in a huge break from tradition. In the past, the royal couple have released new photos of their children on their big days