LUXEMBOURG - JUNE 23: Princess Stephanie, Prince Guillaume of Luxembourg, Grand Duchess Maria Teresa of Luxembourg, Grand Duke Henri of Luxembourg arrive for Te Deum for National Day at Notre Dame du Luxembourg cathedral on June 23, 2017 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
LUXEMBOURG - JUNE 23: Princess Stephanie, Prince Guillaume of Luxembourg, Grand Duchess Maria Teresa of Luxembourg, Grand Duke Henri of Luxembourg arrive for Te Deum for National Day at Notre Dame du Luxembourg cathedral on June 23, 2017 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
LUXEMBOURG - JUNE 23: Princess Stephanie, Prince Guillaume of Luxembourg, Grand Duchess Maria Teresa of Luxembourg, Grand Duke Henri of Luxembourg attend Te Deum for National Day at Notre Dame du Luxembourg cathedral on June 23, 2017 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
LUXEMBOURG - JUNE 23: Princess Stephanie, Prince Guillaume of Luxembourg, Grand Duchess Maria Teresa of Luxembourg, Grand Duke Henri of Luxembourg attend Te Deum for National Day at Notre Dame du Luxembourg cathedral on June 23, 2017 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
LUXEMBOURG - JUNE 23: Princess Stephanie, Prince Guillaume of Luxembourg, arrive for the Te Deum for National Day at Notre Dame du Luxembourg cathedral on June 23, 2017 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
