On Friday, King Harald received NATO's Secretary General Jens Stoltenberg in audience at the Royal Palace. Queen Sonja, Crown Prince Haakon, and Crown Princess Mette-Marit were also in attendance. An official lunch was hosted by King Harald following the audience.

Crown Princess Mette-Marit wore her Christian Dior jacket with a repeated navy skirt, her Manolo Blahnik pumps, and her Cartier ring.