ATHENS, GREECE - SEPTEMBER 18: Princess Alexia of Greece and Denmark, and her husband Carlos Morales Quintana arrive for a private dinner organized by former King Constantine II of Greece and former Queen Anne-Marie to celebrate their Golden wedding anniversary at the Yacht Club of Greece in Piraeus, Greece, 18 September 2014.    (Photo by Milos Bicanski/Getty Images) Crown Prince Pavlos of Greece; Crown Princess Marie-Chantal of Greece