One hundred ‘national treasures’ will ride along the procession in open top buses each representing a decade of Her Majesty ’s reign.
Buses from each period will carry memorable slogans of the time, such as Groovy for the 1970s and the phrase Girl Power coined by the Spice Girls who shot to fame in the 1990s.
As well as music superstar Ed Sheeran who will lead tributes to Her Majesty, other celebrities confirmed to be taking part throughout the day include legendary singer Sir Cliff Richard.
Actor Jeremy Irons, Olympic heroes Jayne Torvill and Christopher Dean, former England footballer and broadcaster Gary Lineker, comedian Bill Bailey and childhood favourite Basil Brush will travel on open top buses along a specially designed route ahead as part of the pageant.
Comedian Rosie Jones, para athlete Kadeena Cox, broadcaster Alan Titchmarsh, top chef Heston Blumenthal and James Martin and fashion icon Gok Wan have also signed up for the extravaganza.
Music legend Dame Shirley Bassey and British supermodel Kate Moss are set for other leading roles in the show.
Organisers have promised a showpiece like no other, with hundreds of talented performers joining forces to celebrate the Queen’s historic reign.
Coventry-based Imagineer are creating a “pedal powered” act in the celebratory part of the Pageant titled ‘The Queen’s Loves’.
There will be ponies, racehorses, swans and misbehaving corgis creating comic chaos along The Mall.
It features the Cyclopedia and Critical Mass, a team of disabled and able-bodied dancers that performed at The Commonwealth Games.
Also featured will be ‘Godiva’, a six metre high puppet, redressed as the young queen with a platinum crown and work from Coventry University students.
Isle of Wight-based Shademakers are creating ‘The Queen’s Beasts’ act.
Four sections will represent the Four Nations or Scotland, England, Wales and Northern Ireland, led by lions in their region’s heraldry.
The Scottish section has unicorns, Scottish dancers, bagpipes and drums from MacUmba, a Scottish band.
The English section has swans, peacocks, ravens, falcons and dancing roses.
The Welsh section has a dragon, chickens, pigs and sheep.
The Northern Irish section features a snake, an Irish Wolfhound and a bull.