Article continues below advertisementEx-Prince Andrew, who now goes by the name Andrew Mountbatten-Windsor, is reportedly pointing fingers at Prince William's wife Kate Middleton following his dramatic fall from royal life.According to a palace insider, the disgraced royal has become increasingly focused on the Princess of Wales ever since he was stripped of his title and pushed out of Royal Lodge.Article continues below advertisementThe insider said Andrew has "become completely fixated" on Kate after being exiled from the royal family, insisting she played a major role behind the scenes.