On Tuesday 9 and Wednesday 10 May, The King and Queen, The Crown Princess Couple and The Prince Couple were in Oslo to take part in the celebrations for King Harald V's and Queen Sonja's 80th birthdays.
The festivities began on the Tuesday with a gala dinner at the Royal Palace in Oslo.
During Tuesday's gala dinner. Photo: Thomas Brun, NTB Scanpix/The Royal House of Norway
Row 4 (back), from left: Princess Tatiana, Prince Nikolaos, Princess Mabel, Prince Constantijn, Princess Sofia, Prince Carl Philip, Crown Princess Marie Chantal, Crown Prince Pavlos, Hereditary Grand Duke Guillaume, Hereditary Grand Duchess Stéphanie, Countess Sophie, Desiree Kogevinas and Carlos Euguster.
Row 3, from left: Lady Elizabeth Shakerley, Queen Anne Marie, Princess Beatrix, Prince Daniel, Crown Princess Victoria, Crown Princess Mette-Marit, Crown Prince Haakon, Princess Märtha Louise, Crown Prince Frederik, Crown Princess Mary, Madeleine Bernadotte Kogevinas, Bernhard Mach, Jenni Haukio and Eliza Reid.
Row 2, from left: Princess Astrid Mrs Ferner, Queen Maxima, King Willem-Alexander, Prince Albert, Queen Silvia, King Carl Gustaf, Queen Sonja, King Harald, Queen Margrethe, Grand Duke Henri, Grand Duchess Maria Teresa, Kung Phillippe, Queen Mathilde, Finland's President Sauli Niinistö and Iceland's President Gudni Johannesson.
Row 1, from left: Emma Tallulah Behn, Leah Isadora Behn, Maud Angelica Behn, Princess Ingrid Alexandra and Prince Sverre Magnus.
On the Wednesday, a lunch was held on the Royal Yacht Norge.
The evening concluded with the Norwegian Government's gift to the King and Queen, a banquet at Oslo Opera House.
You can find out about the Bernadotte dynasty at the Royal Court's website. Click on the names in the family tree.
You can find out more about King Harald V and Queen Sonja at the Royal House of Norway's website.