Catherine, Duchess of Cambridge speaks with Director of the National Portrait Gallery Sandy Nairne (L) while Mary McCartney and Culture Secretary Jeremy Hunt (3rd L) look on during a preview of Lucian Freud paintings at the National Portrait Gallery on February 8, 2012 in London, England. The royal, who has a degree in the history of art and became patron last month of the National Portrait Gallery attended the exhibition, which officially opens to the general public on February 9, 2012, features 130 artworks spanning the length of Freud's painting career from the early 1940s until his final, unfinished work.