At this year's Trooping the Colour parade, the British Royal Family celebrated the 70th anniversary of the Queen's accession to the throne. For the royals, traditions are particularly important and they also like to make statements with their clothing and jewelry.Today was Trooping the Colour 2022William and Kate's kids all attendedPrince Louis wore one of his dad's childhood outfits!At Trooping the Colour, experts probably noticed especially Prince Louis, who was part of a big event for the first time in a while.The youngest child of William and Kate shone at his appearance with a super cute outfit in sailor style, which you can see in the video above.Prince Louis wore a Prince William sailor outfitThis fancy costume was once worn by his own father in 1985. It is striking: The outfit is just right, but the resemblance between father and son is also hard to miss.Also interesting:Together with his siblings Prince George and Princess Charlotte, Louis stole the show. The trio impressed with coordinated blue outfits and melted the hearts of many Royal fans.See all the photos in the video above!