Although, Kate filled in for Prince Charles at a private dinner at Clarence House in late 2011, her visit to the National Portrait Gallery to view an exhibition of Lucian Freud's work, is considered her first solo engagement. Over 100 works from the deceased artist were on display, and Kate met an array of celebrities at the event, including Freud's daughter. Prince William had flown to the Falklands at the beginning of February for a six-week deployment.