The Princess Royal, 71, appeared alongside Prince Charles and Camilla, Duchess of Cornwall in the royal procession at Royal Ascot on Tuesday afternoon. The Prince of Wales, 73, arrived in the first carriage of the entourage alongside his wife.   Princess Anne was joined by her son, Peter Phillips, although her daughter Zara Tindall was absent from the event. Peter did not sit in the same carriage as his mother, however, arriving in the very first vehicle alongside the Prince of Wales and Duchess of Cornwall. Arriving in the second carriage were the Duke and Duchess of Gloucester, along with Prince and Princess Michael of Kent. Princess Anne, arriving third, travelled with The Lord de Mauley ...