LONDON, ENGLAND - MAY 17: Princess Martha Louise, Ari Behn, Maud Angelica, Leah Isadora and Emma Tallulah in Southwark Park 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, Ari Behn, Maud Angelica, Leah Isadora and Emma Tallulah in Southwark Park as they celebrate Norway National Day on May 17, 2013 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)