Dutch King Willem-Alexander (R) and Prince Albert II of Monaco (L) leave after the official opening of the exposition 'Grace Kelly, Princess and Style Icon' in the Loo Palace in Apeldoorn, the Netherlands, on June 3, 2014. The exposition can be visited from June 4 until October 26, 2014. AFP PHOTO / ANP / MARTIJN BEEKMAN   ***Netherlands out***        (Photo credit should read Martijn Beekman/AFP/Getty Images)