LONDON, ENGLAND - JULY 02: HRH Catherine, The Duchess of Cambridge, Patron of the All England Lawn Tennis Club watches on from Centre Court during Day Five of The Championships - Wimbledon 2021 at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Julian Finney/Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge attends Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - JULY 02: Katharine, Duchess of Kent, Rajinder Singh MBE, Prince Edward, Duke of Kent and Catherine, Duchess of Cambridge attend Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge takes a drink from a water bottle during the Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge and Joe Wicks (R) attend Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge attends Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)

Britain's Catherine, Duchess of Cambridge arrives in the Royal box to watch Tunisia's Ons Jabeur and Spain's Garbine Muguruza during their women's singles third round match on the fifth day of the 2021 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 2, 2021. - RESTRICTED TO EDITORIAL USE (Photo by Adrian DENNIS / AFP) / RESTRICTED TO EDITORIAL USE (Photo by ADRIAN DENNIS/AFP via Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge, Joe Wicks and chairman of the All England Lawn Tennis Club, Ian Hewitt attend Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - JULY 02: HRH Catherine, The Duchess of Cambridge, Patron of the All England Lawn Tennis Club, arranges cakes for a cream tea in the Wingfield kitchen during Day Five of The Championships - Wimbledon 2021 at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by AELTC/Thomas Lovelock - Pool/Getty Images)

LONDON, ENGLAND - JULY 02: HRH Catherine, The Duchess of Cambridge, Patron of the All England Lawn Tennis Club, discusses the Gentlemen's Singles Trophy with Adam Chadwick in the Wimbledon Lawn Tennis Museum during Day Five of The Championships - Wimbledon 2021 at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by AELTC/Thomas Lovelock - Pool/Getty Images)

Britain's Catherine, Duchess of Cambridge, Patron of the All England Lawn Tennis Club, reacts during her visit on the fifth day of the 2021 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 2, 2021. - RESTRICTED TO EDITORIAL USE (Photo by John Walton / POOL / AFP) / RESTRICTED TO EDITORIAL USE (Photo by JOHN WALTON/POOL/AFP via Getty Images)

Britain's Catherine, Duchess of Cambridge, Patron of the All England Lawn Tennis Club, talks with with chef Adam Fargin as they prepare strawberry desserts in the Wingfield kitchen during her visit on the fifth day of the 2021 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 2, 2021. - RESTRICTED TO EDITORIAL USE (Photo by John Walton / POOL / AFP) / RESTRICTED TO EDITORIAL USE (Photo by JOHN WALTON/POOL/AFP via Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge during her official visit on day five of Wimbledon at The All England Lawn Tennis and Croquet Club, on July 2, 2021 in London, England. (Photo by Adam Davy - WPA Pool/Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge is shown around the Wimbledon Museum by the Head of Heritage at the All England Lawn Tennis Club Adam Chadwick during her official visit on day five of Wimbledon at The All England Lawn Tennis and Croquet Club, on July 2, 2021 in London, England. (Photo by John Walton - WPA Pool/Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge is shown around the Wimbledon Museum by the Head of Heritage at the All England Lawn Tennis Club Adam Chadwick during her official visit on day five of Wimbledon at The All England Lawn Tennis and Croquet Club, on July 2, 2021 in London, England. (Photo by John Walton - WPA Pool/Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge helps to prepare strawberry desserts in the kitchens with the All England Lawn Tennis Club Executive Chef Adam Fargin during her official visit on day five of Wimbledon at The All England Lawn Tennis and Croquet Club, on July 2, 2021 in London, England. (Photo by John Walton - WPA Pool/Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge helps to prepare strawberry desserts in the kitchens with the All England Lawn Tennis Club Executive Chef Adam Fargin during her official visit on day five of Wimbledon at The All England Lawn Tennis and Croquet Club, on July 2, 2021 in London, England. (Photo by John Walton - WPA Pool/Getty Images)

LONDON, ENGLAND - JULY 02: HRH Catherine, The Duchess of Cambridge, Patron of the All England Lawn Tennis Club watches on from Court 14 alongside Sally Bolton OBE, AELTC Chief Executive and Former British Tennis Player Tim Henman OBE during Day Five of The Championships - Wimbledon 2021 at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Neil Hall - Pool/Getty Images)

LONDON, ENGLAND - JULY 02: Catherine, Duchess of Cambridge attends Wimbledon Championships Tennis Tournament at All England Lawn Tennis and Croquet Club on July 02, 2021 in London, England. (Photo by Karwai Tang/WireImage)