Serena Williams is keeping her royal wedding prep in her Instagram stories. Naturally, her fans are screenshotting and posting those, as she poses with her husband, Alexis Ohanian (and their infant, Alexis Olympia Ohanian Jr.).

Other celebrity arrivals include David and Victoria Beckham, Oprah Winfrey, and George and Amal Clooney. Ms. Clooney arrived in a bold yellow dress and hat.

Here’s Violet Henderson, a contributing editor to British Vogue, and her husband, William Vestey. Mr. Vestey, referred to in the English press as “the beef baron,” is the son and heir of Lord Vestey.