The Queen is hosting an event for British and foreign royals on Thursday night, April 28.
The drinks reception and dinner is taking place at the Mandarin Oriental hotel, near Hyde Park, in central London.
The Prince of Wales and the Duchess of Cornwall are expected to attend the reception before returning to Clarence House for their private dinner.
Queen’s Elizabeth and Prince Philip’s grandson Prince William will hold his wedding to Kate Middleton on April 29, 2011.
Some 50 foreign heads of state are among the 1,900 invited guests attending the wedding.
The following are rumored to be among the 1,900 guests invited to attend the wedding are:
Prince Charles and Camilla; Duchess of Cornwall; Prince Harry and Chelsy Davy; Michael and Carole Middleton (Kate’s parents);
Crown Prince Naruhito and Crown Princess Masako; Laura Parker Bowles, the daughter of Britain’s Camilla Duchess of Cornwall;
Elton John; David Furnish; David Cameron; Mr Bean, British actor Rowan Atkinson; Soccer player David Beckham and his wife Victoria;
Singer James Blunt; Britain’s Prince Edward and his wife, Countess Sophie of Wessex;
Prince William search and rescue crew Sergeant Ed Griffith, Flight Lieutenant Alan Connor and winch operator Sergeant Paul Jones;
British actress and Gurkha activist Joanna Lumley; Crown Princess Victoria of Sweden and her husband Prince Daniel; Britain’s Chief Rabbi Jonathan Sacks;
Pippa Middleton, sister of the fiancee of Britain’s Prince William, Kate Middleton; Britain’s the Duke of York and his daughters Princesses Beatrice and Eugenie;
the Princess Royal and Zara Phillips with her fiance, England rugby player Mike Tindall;
Saudi Arabia’s King Abdullah; Bahrain’s King Hamad bin Isa al-Khalifa; Jordan’s King Abdullah; Britain’s Prince Andrew, The Duke of York and Princess Anne.