Festive Dinner And Public Opening Of Royal Palace To Mark King Willem-Alexander's 50th Birthday In Amsterdam

AMSTERDAM, NETHERLANDS - APRIL 28: Tiara of Queen Maxima at the exhibition in the Royal Palace that gives an overview of 50 years Netherlands with a combination of objects of King Willem-Alexander and Dutch highlights of the last 50 years on April 28, 2017 in Amsterdam, Netherlands. The exhibition will be opened by King Willem-Alexander who celebrates his 50th birthday together with 150 Dutch people during an official dinner in the Palace. The exhibition shows pieces like the wedding dress of Queen Maxima, the cradle of King Willem-Alexander and also the Crown, The King's thesis, the shirt of Johan Cruyff, TV figure Meneer de Uil and cloned bull Herman. (Photo by Patrick van Katwijk/Getty Images)