The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: PA
Actor Tom Hiddleston with Benedict Cumberbatch and his wife, Sophie Hunter, in the Royal Box during the final between Switzerland's Roger Federer and Serbia's Novak Djokovic Adrian Dennis/Pool via REUTERS
Amazon CEO Jeff Bezos and his girlfriend TV presenter Lauren Sanchez in the Royal Box during the final between Switzerland's Roger Federer and Serbia's Novak Djokovic Adrian Dennis/Pool via REUTERS
Former tennis players Manolo Santana, Mary Joe Fernandez and Chris Evert attend the Royal Box as they watch the Men's Singles final between Roger Federer of Switzerland and Novak Djokovic of Serbia. Getty
Actor Benedict Cumberbatch with his wife, Sophie Hunter, and singer Katherine Jenkins in the Royal Box during the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Laurence Griffiths/Pool via REUTERS
French footballer Olivier Giroud watches Serbia's Novak Djokovic play Switzerland's Roger Federer during the men's singles final match of the Wimbledon Tennis Championships in London, Sunday, July 14, 2019. Adrian Dennis/Pool Photo via AP
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Mirka Federer looks on ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Clive Brunskill/Getty Images
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Clive Brunskill/Getty Images
Actor Benedict Cumberbatch and singer Katherine Jenkins in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Singer Katherine Jenkins and husband Andrew Levitas in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Wearing Emilia Wickstead, Kate, Duchess of Cambridge arrive ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, in London, Sunday, July 14, 2019. Photo: AP
Amazon CEO Jeff Bezos and his girlfriend TV presenter Lauren Sanchez in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge take their seats in the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Singer Katherine Jenkins and husband Andrew Levitas in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic Photo: Reuters
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge take their seats in the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge take their seats in the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge meet ballboys and ballgirls ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019. Kate is wearing Emilia Wickstead and holding a vintage bag. Photo: AP
Britain's Prince William and Kate, Duchess of Cambridge meet ballboys and ballgirls, from left, Tom Hubner, 15, Rhianne Black, 14, Kayleigh Man, 13 and Cassius Hayman, 15, ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, in London, Sunday, July 14, 2019. Photo: AP
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019, in London, England. Photo: Getty
Benedict Cumberbatch in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge meet ballboys and ballgirls (left to right) Tom Hubner, 15, Rhianne Black, 14, Kayleigh Man, 13 and Cassius Hayman, 15, ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019, in London, England. Photo: Getty
Catherine, Duchess of Cambridge arrives ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019, in London, England.
The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: Getty
The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: PA
The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: PA
Actor Tom Hiddleston with Benedict Cumberbatch and his wife, Sophie Hunter, in the Royal Box during the final between Switzerland's Roger Federer and Serbia's Novak Djokovic Adrian Dennis/Pool via REUTERS
Amazon CEO Jeff Bezos and his girlfriend TV presenter Lauren Sanchez in the Royal Box during the final between Switzerland's Roger Federer and Serbia's Novak Djokovic Adrian Dennis/Pool via REUTERS
Former tennis players Manolo Santana, Mary Joe Fernandez and Chris Evert attend the Royal Box as they watch the Men's Singles final between Roger Federer of Switzerland and Novak Djokovic of Serbia. Getty
Actor Benedict Cumberbatch with his wife, Sophie Hunter, and singer Katherine Jenkins in the Royal Box during the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Laurence Griffiths/Pool via REUTERS
French footballer Olivier Giroud watches Serbia's Novak Djokovic play Switzerland's Roger Federer during the men's singles final match of the Wimbledon Tennis Championships in London, Sunday, July 14, 2019. Adrian Dennis/Pool Photo via AP
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Mirka Federer looks on ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Andrew Couldridge / Reuters
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Clive Brunskill/Getty Images
Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic. Clive Brunskill/Getty Images
Actor Benedict Cumberbatch and singer Katherine Jenkins in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Singer Katherine Jenkins and husband Andrew Levitas in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Wearing Emilia Wickstead, Kate, Duchess of Cambridge arrive ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, in London, Sunday, July 14, 2019. Photo: AP
Amazon CEO Jeff Bezos and his girlfriend TV presenter Lauren Sanchez in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge take their seats in the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Singer Katherine Jenkins and husband Andrew Levitas in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic Photo: Reuters
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge take their seats in the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge take their seats in the Royal Box prior to the Men's Singles final between Novak Djokovic of Serbia and Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Clive Brunskill/Getty Images)
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge meet ballboys and ballgirls ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019. Kate is wearing Emilia Wickstead and holding a vintage bag. Photo: AP
Britain's Prince William and Kate, Duchess of Cambridge meet ballboys and ballgirls, from left, Tom Hubner, 15, Rhianne Black, 14, Kayleigh Man, 13 and Cassius Hayman, 15, ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, in London, Sunday, July 14, 2019. Photo: AP
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019, in London, England. Photo: Getty
Benedict Cumberbatch in the Royal Box ahead of the final between Switzerland's Roger Federer and Serbia's Novak Djokovic REUTERS/Andrew Couldridge
Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge meet ballboys and ballgirls (left to right) Tom Hubner, 15, Rhianne Black, 14, Kayleigh Man, 13 and Cassius Hayman, 15, ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019, in London, England. Photo: Getty
Catherine, Duchess of Cambridge arrives ahead of the Men's Singles Final on day thirteen of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon on July 14, 2019, in London, England.
The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: Getty
The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: PA
The Duchess of Cambridge and the Duke of Cambridge arrive on day 13 of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. Kate is wearing Emilia Wickstead. Photo: PA