Crown Prince Haakon and Crown Princess Mette-Marit will both mark a milestone this summer, as they celebrate their 50th birthdays just a month apart.
Future king Haakon marks his 50th on 20 July, while his wife will celebrate her milestone on 19 August. While Haakon is a king-in-waiting, learn more about the other current monarchs of Europe...
The Norwegian royal court has announced exciting plans for the couple to commemorate the special occasions, including a party at the palace, which falls on a special date.
In a statement, the palace said: "In the summer of 2023, the Crown Prince and Crown Princess will both turn 50. They want to highlight this by highlighting some of the things they value the most in Norway.
"Therefore, during the spring of 2023, the Crown Prince couple will go on five trips around the country - to visit various places, people, environments and activities. The five journeys will together be a story about different parts of our society - about both old and new Norway, about who we are and about what has shaped us as a people. In August, the Crown Prince couple will invite guests from all over the country to a birthday celebration."
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The couple's first trip took place on Tuesday, when they travelled to Telemark to visit Raulandsakademiet, which offers courses in traditional Norwegian craftsmanship. The engagement will continue on Wednesday, where they will experience a music program with Setesdal's UNESCO-preserved musical heritage.
In the coming months, the Crown Prince and Crown Princess will also visit Finnmark in April, Træna in May and Oslo in June. Their birthday programme will conclude with a backyard party at the Royal Palace in Oslo in August.
The statement added: "Together with people from all over the country, the Crown Prince couple want to use the opportunity to celebrate the Norway we have helped to create together over these 50 years. The Crown Prince couple's wedding day, 25 August, has been chosen as the day for the joint celebration."
Crown Prince Haakon and Crown Princess Mette-Marit were reunited with the Prince and Princess of Wales in Windsor earlier this month, as the Norway couple carried out a working visit in London.
Kensington Palace confirmed that the foursome held a meeting with representatives from leading Norwegian businesses working on green energy solutions. Those in attendance included Alex Grant, Senior Vice President and UK Country Manager, Equinor, Øivind Eriksen, CEO, Aker ASA and Børre Jacobsen, Managing Director, Northern Lights JV.
In a tweet, William and Kate said: "Pleasure to welcome The Crown Prince and Princess of Norway to Windsor this morning, discussing green energy, the environment and much more."
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