The Duke and Duchess of Cambridge and Prince Harry will watch the Olympic Torch relay as it visits Buckingham Palace ahead of the Games.
Three torchbearers will carry the flame through the palace on July 26, the day before the opening ceremony.
William, Kate and Harry are all ambassadors for Team GB and Paralympics GB and will be drumming up public support for the nation's athletes in the run-up to the Games.
Buckingham Palace said that the Queen would watch the Olympic Torch relay as it passed through Windsor Castle on July 10. In total, the flame will travel through the grounds of four royal residences on its way to the Olympic Stadium in Stratford.
It will visit the Balmoral Estate on June 11 and the Sandringham Estate on July 4.