Bridesmaid, the Honourable Margarita Armstrong-Jones, 9-year-old granddaughter of the late Princess Margaret, Countess of Snowdon, the page boy Master Tom Pettifer age 8, godchild of Prince William and bridesmaid Lady Louise Mountbatten-Windsor, age 7, daughter of Prince Edward, Earl of Wessex, are arriving to Westminster Abbey for ceremony of the royal wedding of Prince William and Catherine, Duchess of Cambridge, on April 29, 2011 in London, England.