STOCKHOLM, SWEDEN - JULY 14:  King Carl Gustaf of Sweden and Queen Silvia of Sweden arrive for a thanksgiving service on the occasion of The Crown Princess Victoria of Sweden's 40th birthday celebrations at the Royal Palace on July 14, 2017 in Stockholm, Sweden. The celebrations in Stockholm end with the Crown Princess Family being escorted from the Royal Palace to the Royal Stables in a horse drawn carriage.  (Photo by Michael Campanella/Getty Images )