Watch Royal wedding ceremony of Prince Harry and Meghan Markle. They are going to wed at St George's Chapel in Windsor Castle before travelling through the town in an open-topped carriage. According to the reports, 600 guests have attended to grace the wedding event in St George's Chapel, Windsor. Over 2,000 members of the public have found a place to watch the ceremony from the grounds of Windsor Castle. Throughout the morning, hundreds of members of the public with hundreds of die-hard royalists have gathered in Windsor.