OSLO, NORWAY - JUNE 02: Mr Ari Behn, Princess Martha Louise of Norway and Princess Astrid of Norway arrive at the National Opera House on June 2, 2010 in Oslo, Norway. (Photo by Ragnar Singsaas/WireImage)
OSLO, NORWAY - JUNE 02: Mr Ari Behn, Princess Martha Louise of Norway and Princess Astrid of Norway arrive at the National Opera House on June 2, 2010 in Oslo, Norway. (Photo by Ragnar Singsaas/WireImage)