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.

Norwegian State Attorney Sturla Henriksbo reports on the decision on the indictment of Marius Borg Hoiby, son of Norway's Crown Princess Mette-Marit, in Oslo, Norway, August 18, 2025. NTB/Jonas Fæste Laksekjon via REUTERS

Marius Borg Hoiby, the 28-year-old stepson of the heir to the throne, faces up to 10 years in prison if convicted. Hoiby denies all charges of sexual abuse, his attorney said.