In 1972, Karl Lagerfeld, 38, was a ready-to-wear designer still unknown to the general public. Then he ventured into battle with his friend and rival Yves Saint Laurent, genius of haute couture, supported by businessman Pierre Bergé.

In 1972, Karl Lagerfeld, 38, was a ready-to-wear designer still unknown to the general public. Then he ventured into battle with his friend and rival Yves Saint Laurent, genius of haute couture, supported by businessman Pierre Bergé.