Belgian princess Mathilde (r) and Dutch princess Maxima arrive to receive a publication about the history of Dutch and Belgian painting between 1400 and 2000, 04 December 2007 in The Hague, Netherlands. ANP PHOTO ROYAL IMAGES ROBERT VOS netherlands out - belgium out (Photo credit should read ROBERT VOS/AFP/Getty Images)

Belgian princess Mathilde (r) and Dutch princess Maxima arrive to receive a publication about the history of Dutch and Belgian painting between 1400 and 2000, 04 December 2007 in The Hague, Netherlands. ANP PHOTO ROYAL IMAGES ROBERT VOS netherlands out - belgium out (Photo credit should read ROBERT VOS/AFP/Getty Images)