LONDON, ENGLAND - MAY 17: Princess Martha Louise and Ari Behn arriving at the Noweigan church as they celebrate Norway National Day on May 17, 2013 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - MAY 17: Princess Martha Louise and Ari Behn arriving at the Noweigan church as they celebrate Norway National Day on May 17, 2013 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)