Britain's Camilla, Queen Consort (R), Britain's Catherine, Princess of Wales (2nd R), Britain's Prince George of Wales (2nd L) and Britain's Princess Charlotte of Wales (C) travel down The Mall in London on September 19, 2022, ahead of the State Funeral Service of Britain's Queen Elizabeth II. - Leaders from around the world will attend the state funeral of Queen Elizabeth II. The country's longest-serving monarch, who died aged 96 after 70 years on the throne, will be honoured with a state funeral on Monday morning at Westminster Abbey. PAUL ELLIS/Pool via REUTERS