More than 30 members of the Royal Family will be present, including the Queen, Prince Philip, the Princess Royal, Peter Phillips, Zara Phillips, Prince Edward, Sophie, Countess of Wessex, Princess Beatrice, Princess Eugenie.

A further 100 family members will attend, including Diana’s brother, Earl Spencer, and his six children; her sisters, Lady Jane Fellowes and Lady Sarah McCorquodale; Diana’s stepmother, Raine, Countess Spencer; and all 12 of her godchildren.

The bridesmaids and pageboys from her 1981 wedding to the Prince of Wales are invited. They are India Hicks, Lady Sarah Armstrong Jones (daughter of Princess Margaret), Clementine Hamble, Catherine Cameron, Sarah-Jane Gaselee; Edward van Cutsem and Lord Nicholas Windsor (son of the Duke and Duchess of Kent).

Notable figures in the guest list include Gordon Brown, the Prime Minister, and former prime ministers Tony Blair and Sir John Major.

Close friends and aides invited include Simon Solari, Diana’s driver, and his wife Lyn, a former St James’s Palace secretary; Nicky Cockell, Diana’s former assistant; chef Mervyn Wycherley; Lucia Flecha de Lima; Rosa Monckton and her husband Dominic Lawson; and Prof Sir Magdi Yacoub. Among some of the other well-known friends of the princess attending will be Sir Elton John, Sir Cliff Richard, Mario Testino, Lord Attenborough, and Sir David Frost. The princes have also invited Dodi Fayed’s sisters, Camilla and Jasmine.

There will be 110 representatives from charities and other organisations associated with the princess, including the Landmine Survivors Network, Help the Aged, the Trust for Sick Children in Wales, the National Hospital for Neurology and Neurosurgery, Centrepoint, the British Lung Foundation, the National Aids Trust, Eureka!, the Museum for Children, and the National Children’s Orchestra.

For more details on Diana’s memorial Service visit the Telegraph’s website here...