Prince William and Kate Middleton are about to have their moment on a global stage. As Prince Harry and Meghan Markle continue to embark on unofficial visits around the world, an insider claimed the future king and queen are plotting their "revenge tour." "An official tour by them will take any gloss off Prince Harry and Meghan's recent, controversial visit," the source told New Idea magazine. Prince William and Kate Middleton on the first day of their three-day visit to Germany in 2017.