Saint Laurent was born on 1 August 1936, in Oran, Algeria, to French parents ( Pieds-Noirs), Charles and Lucienne Andrée Mathieu-Saint-Laurent. He is also credited with having introduced the ' Le Smoking' tuxedo suit for women and was known for his use of non-European cultural references and of diverse models. He approached his aesthetic from a different perspective by helping women find confidence by looking both comfortable and elegant at the same time.

He developed his style to accommodate the changes in fashion during that period. In 1985, Caroline Milbank wrote, 'The most consistently celebrated and influential designer of the past twenty-five years, Yves Saint Laurent can be credited with both spurring the couture's rise from its 1960s ashes and with finally rendering ready-to-wear reputable.'

He is regarded as being among the foremost fashion designers of the twentieth century. Yves Henri Donat Mathieu-Saint-Laurent (1 August 1936 – 1 June 2008), referred to as Yves Saint Laurent ( / ˌ iː v ˌ s æ̃ l ɔː ˈ r ɒ̃/, also UK: /- l ɒ ˈ-/, US: /- l oʊ ˈ-/, French: ⓘ) or YSL, was a French fashion designer who, in 1962, founded his eponymous fashion label.

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