Yves Saint Laurent Opium Party, 1978, Alya ChinnPhotography by Roxanne LowitBefore Mario Testino, before Rankin, before Juergen Teller, there was Roxanne Lowit. Considered the first celebrity photographer, she was a backstage staple during fashion week in the 1970s and 80s, capturing the decadence and excess of the era with a free-spirited ease. In 1978, she was snuck backstage at YSL by Jerry Hall and Pat Cleveland, and the day ended with Lowit shooting Saint Laurent on top of the Eiffel T...