The celebration on May 22 came ahead of Rajwa and Hussein’s wedding. The couple, who got engaged last August, will tie the knot on June 1. Crown Prince Frederik and Crown Princess Mary of Denmark, Crown Princess Victoria and Prince Daniel of Sweden, Crown Prince Haakon of Norway, and Queen Maxima and King Willem-Alexander of the Netherlands and their firstborn, Princess Catharina-Amalia are all set to attend the wedding.