THE HAGUE, THE HAGUE - OCTOBER 11: Catherine, Duchess of Cambridge arrives at the Mauritshuis Gallery during a solo visit to the Hague on October 11, 2016 in the Hague, Netherlands (Photo by Chris Jackson/Getty Images)
THE HAGUE, THE HAGUE - OCTOBER 11: Catherine, Duchess of Cambridge arrives at the Mauritshuis Gallery during a solo visit to the Hague on October 11, 2016 in the Hague, Netherlands (Photo by Chris Jackson/Getty Images)