Princess Kate’s social media accounts stayed silent on Prince Louis’ birthday in a huge break from tradition. Royal fans eager to mark Prince Louis’ sixth birthday with a new photo were left disappointed as the Prince and Princess of Wales’s social media accounts stayed silent in the early hours of his birthday. William and Kate’s youngest child turned six today and royal fans were hoping the couple would keep up their tradition of releasing new photographs to celebrate. The Waleses intended to release a photograph for Louis’ birthday, despite the frenzy over the manipulated Mother’s Day pictu…