Princess Catharina-Amalia, the 22-year-old heir to the Dutch throne, showed her arm scar publicly for the first time on Tuesday evening at the opening gala of the 2026 FEI World Championships in Aachen. She was joined at the event by fellow royals, among them Denmark's Queen Mary and Zara Tindall. Princess Catharina-Amalia, the 22-year-old heir to the Dutch throne, showed her arm scar publicly for the first time on Tuesday evening at the opening gala of the 2026 FEI World Championships in Aachen. | GETTYTRENDING Stories Videos Your Say Last June, Amalia fell from her horse, Mojito, sustaining a broken upper arm. At the time of the incident, the Dutch royal household issued a statement: "The Princess of Orange broke her upper arm today after falling from her horse.