Andrew Parsons - Pool/Getty Kate Middleton and Prince William ensured that their youngest son, Prince Louis, didn't miss out on a special gift at Wimbledon As new gentleman's single 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 7-year-old Louis George, 11, and Charlotte, 10, made a surprise appearance at the tennis tournament, while Louis, 7, stayed at home Prince GeorgeandPrincess Charlottewere given something very special by new Wimbledon gentleman's single championJannik Sinner— and their parentsKate MiddletonandPrince Williamensured that their little brotherPrince Louisdidn't miss out on the gesture. Infootage aired by the BBCon Sunday, July 13, Sinner, 23, was seen speaking with the Prince and Princess of Wales, both 43, along with their two eldest children, following his big win. After asking the tennis champ about his plans to celebrate and wind down, as well as his elbow injury, Sinner then took the three tennis balls that Charlotte, 10, was holding and began to sign them. "Thank you so much, that's really kind," Princess Kate told the Italian sports star. "We brought one for their brother as well," Kate continued, to which William added, "Louis would be very upset otherwise," as they both laughed. bbc.co.uk Kate had earlier presented Sinner with the Wimbledon trophy on Centre Court at the All England Lawn Tennis Club after he beat 2023 and 2024 Wimbledon championCarlos Alcaraz4-6 6-4 6-4 6-4. Kensington Palace announced ahead of their arrival that the Prince and Princess of Wales, who is the patron of the All England Lawn Tennis and Croquet Club, would attend the men's final, though it was asurprise that George and Charlotte also made an appearance. Max Mumby/Indigo/Getty; ANDREW MATTHEWS/POOL/AFP via Getty Louis, 7, is yet to make his Wimbledon debut. At 7 years old, he is still younger than George and Charlotte were when they attended Wimbledon for the first time. While Georgeattended his first Wimbledonin 2022 shortly before his 9th birthday, Charlotte attended the sporting event for the first time at the age of 8. She made herWimbledon debutin 2023, attending the men's final alongside her parents and big brother. During their conversation with Sinner on Sunday, George and Charlotte congratulated the sportsman on his win, with George telling him, "Well played." Sinner then asked the pair if they play tennis and asked them which racquets they use. Clive Brunskill/Getty Can't get enough of PEOPLE's Royals coverage?Sign up for our free Royals newsletterto get the latest updates on Kate Middleton, Meghan Markle and more! "Yonex," the siblings replied, to which Sinner said, "Okay, that's nice." Kate added that Sinner's win "was seriously inspiring and impressive" as she gestured towards her children. Read the original article onPeople