(FILES) This file photo taken on January 8, 2016 shows French President Francois Hollande (L) greeting French businessman Pierre Berge (C) as French Socialist Party First Secretary Jean-Christophe Cambadelis (R) looks on during a ceremony marking the 20th anniversary of the death of late French President Francois Mitterrand at the cemetery of Jarnac, southwestern France. 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 / POOL / REGIS DUVIGNAU