Donaldson and Frederik married on 14 May 2004 in Copenhagen Cathedral, in Copenhagen. She wore a wedding gown designed by Danish designer Uffe Frank and had a small bridal party which included her two sisters and her friend Amber Petty, a radio announcer on commercial radio in Australia. Frederik was supported by his brother Prince Joachim. Three of her nieces were flower girls; Frederik's nephew Prince Nikolai of Denmark and his first cousin once removed, Count Richard von Pfeil und Klein-Ellguth, were pageboys. The wedding was celebrated in Copenhagen and at Fredensborg Palace. The couple reportedly spent their honeymoon in Africa.