Queen Mathilde Of Belgium Brings Her Children, Elisabeth, Eleonore & Gabriel To Sint-Jans Berghmanscollege To Attend First Day Of School [Getty Images]

BRUSSEL, BELGIUM - SEPTEMBER 01: (L-R) Prince Gabriel of Belgium, Queen Mathilde of Belgium, Princess Eleonore of Belgium and Princess Elisabeth, Duchess of Brabant arrive at Sint-Jans Berghmanscollege to attend the first of the day of the school year on September 1, 2014 in Brussel, Belgium. (Photo by Mark Renders/Getty Images)

Getty Images Entertainment Mark Renders