The funeral of Queen Elizabeth takes place in Westminster Abbey in London this morning.
500 foreign dignitaries from 200 countries, including President Michael D Higgins and Taoiseach Micheal Martin, will be among 2,000 invited guests.
4 billion people from around the world are expected to tune in to watch the service from 11 am.
Huge crowds are also expected in London and Windsor, where the Queen will be laid to rest - following a committal service and private burial.
Buckingham Palace has released a previously unseen photo of the Queen, which was taken for the Platinum Jubilee.
Ahead of Her Majesty The Queen’s State Funeral, a new photograph has been released.
The photo was taken to mark Her Majesty’s Platinum Jubilee - the first British Monarch to reach this milestone.
Tomorrow, millions will come together to commemorate her remarkable life. pic.twitter.com/UyVfjVvJgw— The Royal Family (@RoyalFamily) September 18, 2022
Full details of the service were announced last night and showed Prince George and Princess Charlotte will attend.
The Last Post will be played, along with the Reveille and the national anthem. Two minutes of silence will be observed following the funeral service.