Generations of people throughout the Commonwealth and Australia have only ever known a world where Queen Elizabeth II reigned as monarch.
But with the Queen's passing and Charles becoming King, many of the royal symbols that have been so familiar to us for so long are about to change.
From the King's Counsel prosecuting criminal cases, to the Three Lions belting out a familiar anthem with slightly different lyrics, here's what you can expect to see change in the days and months ahead.