(FILES) This file photo taken on February 28, 2017 shows Pierre Berge, co-founder of Yves Saint Laurent Couture House, attending the Yves Saint-Laurent Women's Fall-Winter 2017-2018 fashion week in Paris. 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 / ALAIN JOCARD