Karl Lagerfeld and Pierre Bergé, the story of the ‘cruelest hatred’ in the world of fashion

The legendary designer and the businessman behind Yves Saint Laurent maintained a personal feud that would last for decades. On the occasion of the upcoming premiere of ‘Becoming Karl Lagerfeld’ — the miniseries about the German designer, which addresses this confrontation — EL PAÍS looks at the reasons for his staunch hatred of Bergé