although her great—grandson prince louis threatened to steal the show. we're going to cut the ribbon to officially say, this party is open! it was an extended holiday weekend for britain. but the queen's health meant much of the celebrating was done without her. she wasn't well enough to be at the thanksgiving service at st paul's cathedral, but her family were in full attendance, including the duke and duchess of sussex, making their only official appearance at the platinum jubilee. the following day, it was party at the palace, and that special guest invited for tea.