On July 26, 2012, His Royal Highness the Prince of Wales hosted a reception at Clarence House for the delegates of the British Government’s Global Investment Conference.
Meanwhile, Her Royal Highness the Princess Royal attended a pre-Olympic reception at Mansion House hosted by the “… Lord Mayor of the City of London and the Mayor of Greater London.” Afterward, the Princess Royal attended yet another International Olympic Committee Session held at the Grosvenor House Hotel in London. Also in attendance was His Royal Highness Crown Prince Frederik of Denmark.
Source: Royal.gov.uk