Prince William and Princess Catherine marked their 13th wedding anniversary with a poignant tribute. Amidst a backdrop of personal challenges, the unveiling of a previously-unseen wedding portrait stirred emotions and sparked conversations among fans worldwide. On the occasion of their 13th wedding anniversary, Prince William and Princess Catherine, the Duke and Duchess of Cambridge, shared a poignant tribute with their followers on social media. A previously-unseen wedding portrait captured by esteemed photographer Millie Pilkington was unveiled, marking another milestone in their journey tog…