Invitees to the Buckingham Palace party were 500 'Coronation champions' celebrated for volunteering achievements

The party never stops: Kate and William all smiles as they host 'Coronation champions' at Buckingham Palace

Louis helped out on bank holiday Monday

Royal renovations: Prince Louis helps William operate a digger and joins siblings in transforming Scout hut

William gave a speech on stage

'Pa, we are all so proud of you': Prince William pays tribute to King Charles and late Queen during coronation concert

Kate comforted an overwhelmed young royal fan

'Do you want a hug?': Moment Kate comforts little girl during surprise appearance at Big Lunch party in Windsor

William and Kate were seen chatting to partygoers in Windsor this afternoon

William and Kate delight crowds as they pose for selfies in surprise appearance at Coronation Big Lunch in Windsor

William and Kate made a surprise visit to a coronation street party in Windsor this afternoon

Prince and Princess of Wales make surprise visit to Coronation Big Lunch in Windsor

Prince Louis attended the Palace flypast

Crowning around: Prince Louis goes viral with antics at King's Coronation

Prince William and Prince Harry were pictured standing rows apart at the King's Coronation amid on-going "tensions" between the two brothers.

Brothers apart: Feuding William and Harry keep their distance in Westminster Abbey

Today's service will begin at 11am.

Coronation of King Charles III order of service - follow in full

King Charles and the Prince and Princess of Wales delighted royal fans on The Mall today

'Party at the Palace': Charles, William and Kate greet cheering Royal fans with surprise pre-Coronation walkabout

King Charles, Queen Consort Camilla and Prince William arrive at Westminster Abbey for final preparations

A Royal rehearsal: Charles, Camilla and William head into Westminster Abbey for final pre-Coronation preparations

Prince William spoke to royal fans during a pub trip

We're praying for good weather: William reveals Coronation wish on visit to the pub with Kate

Kate was enamoured by a Royal fan's dog on her pub trip today.

Dog and Duchess: Smitten Kate Middleton wowed by Royal fan's adorable dog on Soho pub visit

Kate and William visit the Dog and Duck pub in Soho

Princess of Ales: Hundreds gather to see Kate and William enjoy pint at iconic Soho pub ahead of Coronation

Prince William in military uniform which his medals

Prince William military service: Prince of Wales career and medals

Charles, William and Camilla all arrived to rehearse the coronation

Ready for a Coronation: Smiling Charles and William join Kate and Camilla for rehearsals at Westminster Abbey

Prince William is preparing a 'heartwarming' address to the nation, it is believed

Prince William planning 'heartfelt and loving' Coronation concert speech paying tribute to Charles and Camilla

Harry is planning another Netflix show, this time following him and Meghan in South Africa

Harry plans another Netflix show as William set to appear in fly-on-the-wall documentary