Princess Charlotte may have quietly bent royal tradition last weekend — but in the most charming way possible.

The 10-year-old princess joined her parents, the Prince and Princess of Wales, and her older brother Prince George, 11, in the Royal Box at Centre Court on Sunday, July 13, for the men’s singles final at Wimbledon. Together, they watched Italian tennis star Jannik Sinner claim his first Wimbledon title in a gripping match against defending champion Carlos Alcaraz.

Their youngest sibling, Prince Louis, 7, did not attend the match. However, in a heartwarming moment after the final, Princess Charlotte was seen holding out a tennis ball to be signed — not for herself, but for her little brother.

Charlotte’s thoughtful moment caught on camera

In a clip shared by Wimbledon’s official social media channels, the royal family was seen congratulating Jannik Sinner backstage following his historic win. Sinner graciously signed tennis balls for both George and Charlotte, and Kate Middleton politely asked if he could also sign one for Louis, who had been watching from home.

“They’ve brought one for their brother as well,” Kate told Sinner with a smile, as Charlotte extended the ball. “Thank you so much, that’s very kind of you.”

While the royal family is more accustomed to being the ones signing autographs or greeting fans, this lighthearted moment — asking for a signed souvenir — was an unusual reversal of roles and a subtle deviation from standard royal protocol. Traditionally, members of the royal family do not collect memorabilia from public events, but royal watchers were quick to praise the sweet exchange.