LUXEMBOURG - JUNE 22: Grand Duchess Maria Teresa of Luxembourg and Grand Duke Henri of Luxembourg celebrate National Day on June 21, 2016 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
LUXEMBOURG - JUNE 22: Grand Duchess Maria Teresa of Luxembourg and Grand Duke Henri of Luxembourg celebrate National Day on June 21, 2016 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)