記念すべき初投稿（画像は『The Duke and Duchess of Sussex　2019年4月2日付Instagram「“Welcome to our official Instagram; we look forward to sharing the work that drives us, the causes we support, important announcements, and the opportunity to shine a light on key issues. We thank you for your support, and welcome you to ＠sussexroyal.”」』のスクリーンショット）