(FILES) This file photo taken on May 15, 2012 shows French businessman Pierre Berge (R) and Paris' then deputy mayor Anne Hidalgo arriving at the Elysee presidential Palace in Paris to attend the official investiture ceremony for France's president-elect Francois Hollande. The French fashion tycoon Pierre Berge -- the brains behind the Yves Saint Laurent empire -- has died aged 86, his foundation said on September 8, 2017. / AFP PHOTO / LIONEL BONAVENTURE