Norwegian Princess Ingrid Alexandra is seen in this handout picture made available by the Royal Court January 20, 2008. The princess celebrates her fourth birthday on Monday. (photo: agencies via China Daily)

Norwegian Princess Ingrid Alexandra is seen in this handout picture made available by the Royal Court January 20, 2008. The princess celebrates her fourth birthday on Monday.

Norway's royal family pose during a photo call at the Royal residence Kongsseteren in Oslo December 22, 2007. From L-R: Marius Borg Hoiby, son of the Crown Princess, Queen Sonja, Crown Princess Mette-Marit, Princess Ingrid Alexandra, Crown Prince Haakon, Prince Sverre Magnus and King Harald.