LUXEMBOURG, LUXEMBOURG - MAY 11: Catherine, Duchess of Cambridge during a one day visit to Luxembourg at Palais Grand Ducale on May 11, 2017 in Luxembourg, Luxembourg. (Photo by Jeff Spicer/Getty Images)
LUXEMBOURG, LUXEMBOURG - MAY 11: Catherine, Duchess of Cambridge during a one day visit to Luxembourg at Palais Grand Ducale on May 11, 2017 in Luxembourg, Luxembourg. (Photo by Jeff Spicer/Getty Images)