Share Tweet Pin Email By Katherine Tinsley 12:09pm PST, Dec 29, 2025 _ Prince Louis broke royal tradition during the family's annual Christmas walk.Keep reading for the details...MORE: Follow Wonderwall on MSN for more top news _ Etiquette expert William Hanson noted that Prince Louis was seen wearing pants instead of shorts, which is uncommon for royal children."Trousers are for older boys and men, whereas shorts on young boys is one of those silent class markers that we have in England," Hanson told Harper's Bazaar.