Prince Willem Alexander Of The Netherlands- 40th Birthday Party [Getty Images]

APELDOORN, NETHERLANDS - SEPTEMBER 1: (L-R) Princess Mette Marit, Prince Haakon of Norway and Princess Victoria of Sweden arrive to attend celebrations marking the 40th birthday of Dutch Crown Prince Willem Alexander at the Loo Palace on September 1, 2007 in Apeldoorn, The Netherlands. (Photo by Michel Porro/Getty Images)

Getty Images Entertainment Michel Porro