AMSTERDAM, NETHERLANDS - APRIL 29: (L-R) Princess Mabel of Orange-Nassau, Prince Constantijn of the Netherlands and Princess Laurentien of the Netherlands arrive to attend a dinner hosted by Queen Beatrix of The Netherlands ahead of her abdication at Rijksmuseum on April 29, 2013 in Amsterdam, Netherlands. (Photo by Robin Utrecht - Pool/Getty Images)

AMSTERDAM, NETHERLANDS - APRIL 29:  (L-R) Princess Mabel of Orange-Nassau, Prince Constantijn of the Netherlands and Princess Laurentien of the Netherlands arrive to attend a dinner hosted by Queen Beatrix of The Netherlands ahead of her abdication at Rijksmuseum on April 29, 2013 in Amsterdam, Netherlands.  (Photo by Robin Utrecht - Pool/Getty Images)