LONDON, ENGLAND - DECEMBER 03: Princess Astrid Of Norway Turns On The Lights of the Trafalgar Square Christmas Tree at Trafalgar Square on December 3, 2015 in London, England. (Photo by John Phillips/Getty Images)
LONDON, ENGLAND - DECEMBER 03: Princess Astrid Of Norway Turns On The Lights of the Trafalgar Square Christmas Tree at Trafalgar Square on December 3, 2015 in London, England. (Photo by John Phillips/Getty Images)