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,

The coronation portraits of King Charles III and his wife Queen Camilla were officially unveiled Tuesday, two years to the day since the historic coronation. Charles and Camilla were on hand for the portraits' unveiling, which took place at the National Gallery in London.

King Charles has revealed an adorable one-word nickname for his wife, Queen Camilla, that he let slip during an engagement. Charles and Camilla were planting a tree alongside Sweden’s King Carl Gustaf and Queen Silvia when King Charles referred to his wife with the endearing term "darling".