WATCH: The Making of 'Saint Laurent'

The second biographical movie about the late fashion designer, Saint Laurent, is out now. The first biopic, released last year, was a crowdpleaser with Pierre Niney in the title role. Director Bertrand Bonello's new movie explores a darker and lesser-known facet of Saint Laurent's life, depicting a 10-year period in the 1960s and '70s when the designer's spiralling drug and alcohol abuse made him hit rock bottom.

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With the sexy Gaspard Ulliel in the lead role, Bonello had to work without the consent of the Saint Laurent estate to fulfill his vision. Watch him talk about these challenges in the video below.