Mad hatter: It's not just Beatrice's wedding

By SASHA SLATER Royal ridicule: Princess Beatrice (right) and Princess Eugenie arrive at Westminster Abbey in their much-mocked Philip Treacy hatsAt street parties the length and breadth of England, we gasped as the royal Rolls pulled up. A vision emerged. No, not Kate Middleton, resplendent in Sarah Burton and diamonds, but Princess Beatrice in her beige pretzel-like headgear. She was closely