The royals have taken to social media to share their excitement, but not everyone is so positive about the trip.

Camilla makes boy’s wish come true on arrival in Australia - The Queen accepted a posy of flowers from 12-year-old Ky, who has severe aplastic anaemia.

In this video, the King, 75, and Queen, 77, have arrived in the country for a historic first tour to one of the foreign realms that have Charles as monarch and head of state. Their plane touched down in rainy Sydney,

King Charles III and Queen Camilla landed in Sydney tonight on an Australian government plane, which had picked them up from Singapore after the couple flew there commercially.