PHOTOS: Royal Wedding preparations and watch parties WINDSOR, ENGLAND - MAY 10: A window display commemorates the upcoming wedding of Prince Harry and his fiance US actress Meghan Markle on May 10, 2018 in Windsor, England. St George's Chapel at Windsor Castle will host the wedding of Britain's Prince Harry and US actress Meghan Markle on May 19. The town, which gives its name to the Royal Family, is ready for the event and the expected tens of thousands of royalists. (Photo by Jack Taylor/Getty Images)Photo by: Jack Taylor PHOTOS: Royal Wedding preparations and watch parties WINDSOR, ENGLAND - MAY 10: A window display commemorates the upcoming wedding of Prince Harry and his fiance US actress Meghan Markle on May 10, 2018 in Windsor, England. St George's Chapel at Windsor Castle will host the wedding of Britain's Prince Harry and US actress Meghan Markle on May 19. The town, which gives its name to the Royal Family, is ready for the event and the expected tens of thousands of royalists. (Photo by Jack Taylor/Getty Images)Photo by: Jack Taylor PHOTOS: Royal Wedding preparations and watch parties LONDON, ENGLAND - MAY 08: Merchendise is sold in a shop outside Windsor Castle as the town prepares for the wedding of Prince Harry and his fiance US actress Meghan Markle, on May 8, 2018 in Windsor, England. St George's Chapel at Windsor Castle will host the wedding of Britain's Prince Harry and US actress Meghan Markle on May 19. The town, which gives its name to the Royal Family, is ready for the event and the expected tens of thousands of royalists. (Photo by Dan Kitwood/Getty Images)Photo by: Dan Kitwood PHOTOS: Royal Wedding preparations and watch parties LONDON, ENGLAND - MAY 08: Merchendise is sold in a shop outside Windsor Castle as the town prepares for the wedding of Prince Harry and his fiance US actress Meghan Markle, on May 8, 2018 in Windsor, England. St George's Chapel at Windsor Castle will host the wedding of Britain's Prince Harry and US actress Meghan Markle on May 19. The town, which gives its name to the Royal Family, is ready for the event and the expected tens of thousands of royalists. (Photo by Dan Kitwood/Getty Images)Photo by: Dan Kitwood PHOTOS: Royal Wedding preparations and watch parties LONDON, ENGLAND - MAY 08: Merchendise is sold in a shop outside Windsor Castle as the town prepares for the wedding of Prince Harry and his fiance US actress Meghan Markle, on May 8, 2018 in Windsor, England. St George's Chapel at Windsor Castle will host the wedding of Britain's Prince Harry and US actress Meghan Markle on May 19. The town, which gives its name to the Royal Family, is ready for the event and the expected tens of thousands of royalists. (Photo by Dan Kitwood/Getty Images)Photo by: Dan Kitwood PHOTOS: Royal Wedding preparations and watch parties WINDSOR, ENGLAND - MAY 10: Work continues along The Long Walk in front of Windsor Castle ahead of the wedding of Prince Harry and his fiance US actress Meghan Markle on May 10, 2018 in Windsor, England. St George's Chapel at Windsor Castle will host the wedding of Britain's Prince Harry and US actress Meghan Markle on May 19. The town, which gives its name to the Royal Family, is ready for the event and the expected tens of thousands of royalists. (Photo by Jack Taylor/Getty Images)Photo by: Jack Taylor PHOTOS: Royal Wedding preparations and watch parties WINDSOR, ENGLAND - MAY 17: Royal memorabilia is displayed in a shop close to Windsor Castle ahead of the royal wedding of Prince Harry to Ms. Meghan Markle on Saturday in Windsor on May 17, 2018 in Windsor, England. (Photo by Matt Cardy/Getty Images)Photo by: Matt Cardy