ATHENS, GREECE - OCTOBER 23: Philippos, son of former King of Greece Constantine II, and his wife Nina Flohn kiss as they leave the Athens' Orthodox Cathedral following their wedding ceremony at the Metropolis Greek Orthodox Cathedral on October 23, 2021 in Athens, Greece. (Photo by Milos Bicanski/Getty Images)
ATHENS, GREECE - OCTOBER 23: Philippos, son of former King of Greece Constantine II, and his wife Nina Flohn waves as they leave the Athens' Orthodox Cathedral following their wedding ceremony at the Metropolis Greek Orthodox Cathedral on October 23, 2021 in Athens, Greece. (Photo by Milos Bicanski/Getty Images)
ATHENS, GREECE - OCTOBER 23: Philippos, son of former King of Greece Constantine II, and his wife Nina Flohn leave the Athens' Orthodox Cathedral following their wedding ceremony at the Metropolis Greek Orthodox Cathedral on October 23, 2021 in Athens, Greece. (Photo by Milos Bicanski/Getty Images)
ATHENS, GREECE - OCTOBER 23: Philippos, son of former King of Greece Constantine II's wife Nina Flohn waves as they leave the Athens' Orthodox Cathedral following their wedding ceremony at the Metropolis Greek Orthodox Cathedral on October 23, 2021 in Athens, Greece. (Photo by Milos Bicanski/Getty Images)
ATHENS, GREECE - OCTOBER 23: Prince Constantine Alexios, (C standing) Ex-King Konstantin (C seated) and Ex-Queen Anne-Marie (Centre, right) wave as they leave the Athens' Orthodox Cathedral following  wedding ceremony  Nina Flohr and Prince Philippos at the Metropolis Greek Orthodox Cathedral on October 23, 2021 in Athens, Greece. (Photo by Milos Bicanski/Getty Images)