Britain's Catherine the Duchess of Cambridge and Meghan the Duchess of Sussex watch Spain's Rafael Nadal continue his semi final match against Serbia's Novak Djokovic, which was suspended yesterday, after running late, at the Wimbledon Tennis Championships, in London, Britain, July 14, 2018. (Photo/Agencies)
Britain's Catherine the Duchess of Cambridge and Meghan the Duchess of Sussex talk to each other during the women's singles final between Serena Williams of the U.S. and Germany's Angelique Kerber, at the Wimbledon Tennis Championships, in London, Britain, July 14, 2018. (Photo/Agencies)
Lewis Hamilton, Anna Wintour and Alexis Ohanian watch Serena Williams of the U.S. play the women's singles final against Germany's Angelique Kerber, at the Wimbledon Tennis Championships, in London, Britain, July 14, 2018. (Photo/Agencies)
Britain's Catherine the Duchess of Cambridge and Meghan the Duchess of Sussex applaud after Germany's Angelique Kerber won the women's singles final against Serena Williams of the U.S., at the Wimbledon Tennis Championships, in London, Britain, July 14, 2018. (Photo/Agencies)
Germany's Angelique Kerber and Serena Williams of the U.S. hold their trophies after Kerber won the women's singles final, at the Wimbledon Tennis Championships, in London, Britain, July 14, 2018. (Photo/Agencies)
Serena Williams of the U.S. reacts during the women's singles final against Germany's Angelique Kerber, at the Wimbledon Tennis Championships, in London, Britain, July 14, 2018. (Photo/Agencies)