Queen Camilla and King Charles capped off four days of celebrations to commemorate the 80th anniversary of the end of World War II on May 8—and Her Majesty brought out all the style stops on Thursday night.

King Charles seemingly has an affectionate one-word nickname for his wife, Queen Camilla, which was reportedly overheard during a recent public engagement. On May 1, while the pair were participating in tree-planting activities with Sweden's King Carl Gustaf and Queen Silvia,

King Charles appeared to show a moment of frustration at the 80th anniversary commemoration of VE Day during a ceremony at Westminster Abbey in London.