Crown Princess Mette-Marit's birthday fell on the day after major news for her family. On Aug. 18, Norway's state prosecutor charged her son Marius with 32 crimes, including one count of rape with sexual intercourse and three counts of rape without intercourse, CBS and Reuters reported.

Norway's Crown Prince Haakon said on Tuesday the royal family would continue to carry out official duties while his stepson stands trial next year accused of rape, adding that this is a challenging time for everyone involved.

Norway's future king, Crown Prince Haakon, has spoken out after his stepson, was charged with rape, domestic violence, assault and other crimes.