LUXEMBOURG - JUNE 22: Grand Duchesse Maria Teresa, guest, Prince Guillaume and Princess Stephanie of Luxembourg celebrate National Day on June 21, 2016 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)
LUXEMBOURG - JUNE 22: Grand Duchesse Maria Teresa, guest, Prince Guillaume and Princess Stephanie of Luxembourg celebrate National Day on June 21, 2016 in Luxembourg, Luxembourg. (Photo by Sylvain Lefevre/Getty Images)