King Harald Of Norway'S 70Th Birthday Celebrations [Getty Images]

Princess Martha Louise Attends King Harald Of Norway'S 70Th Birthday Celebrations In Oslo.Gala Concert At The City Hall In Oslo. . (Photo by Julian Parker/Mark Cuthbert/UK Press via Getty Images) — see more

Princess Martha Louise Attends King Harald Of Norway'S 70Th Birthday Celebrations In Oslo.Gala Concert At The City Hall In Oslo. . (Photo by Julian Parker/Mark Cuthbert/UK Press via Getty Images)

UK Press Julian Parker/Mark Cuthbert