Peter Phillips, the Queen’s eldest grandson, has married his Canadian bride Autumn Kelly in Windsor Castle’s St George’s Chapel, acording to BBC News. The couple were joined by 300 guests, including most of the Royal Family.  They exchanged vows in an hour-long ceremony, before heading to a reception and dance at Frogmore House in Windsor in a horse-drawn carriage. Cheers and clapping were heard outside the chapel as the couple, who are both aged 30, walked down the aisle.