The Royal Wedding Exhibition will take place at Windsor Castle from 26th October 2018, to 6th January 2019. It will showcase the wedding of Prince Harry and Meghan Markle, who are now the Duke and Duchess of Sussex. The exhibit will be located in the Grand Reception Room, displaying the wedding outfits worn by the young royals, as well as Prince George and Princess Charlotte in their roles as pageboy and bridesmaid. Highlights include the wedding dress and veil worn by Meghan and the frockcoat uniform of the Household Cavalry worn by Harry.
You can view the Royal Wedding Exhibition as part of a regular entrance ticket to Windsor Castle, and the display will run until the beginning of January 2019.