As Wimbledon men's champion Jannik Sinner signed tennis balls for Prince George and Princess Charlotte, the Princess of Wales shared that they'd brought along a third ball for Prince Louis

Jannik Sinner celebrated his Wimbledon victory by signing tennis balls for Prince George and Princess Charlotte. Kate Middleton playfully reminded him to include Prince Louis, ensuring he received a signed ball as well.

Prince William and Kate Middleton's three children were treated to a special gift from Wimbledon champion Jannik Sinner over the weekend. On Sunday, the future king and queen of England made a surprise appearance at the iconic tennis match, alongside two of their children, Prince George, 11, and Princess Charlotte, 10.