More than 4,200 Diamond Jubilee beacons will be lit across the globe in celebration of the Queen's 60-year reign.
The Queen will light the final beacon from the stage at around 10.30pm following the Diamond Jubilee concert where Stevie Wonder, JLS, Sir Elton John and a host of stars will perform in her honour.
More top news
Three women and three girls were reportedly shot dead because they were trailing 100 metres behind IS fighters.
Building a third runway at Heathrow was the most controversial of the three expansion options, so why is it going ahead?
The body of toddler Norma Dale was found dumped on wasteland near her home in 1946 with one of her red shoes missing.