Meet Ingrid Alexandra, 22, who could become Norway's first queen in 600 years

Crown Princess Ingrid Alexandra, 22, has stepped into a historic new role as heir to Norway’s throne following King Haakon’s accession. As Haakon takes his constitutional oath, Ingrid Alexandra becomes the country’s first adult heir at the time of succession in modern history. If she becomes monarch, she could be Norway’s first reigning queen in over 600 years.