But the raven-haired beauty took great joy – and refuge from the demands of the style world – from spending time with her partner Mick Jagger and his children.
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L'Wren's close friend Andre Leon Talley says family life helped her escape the pressures of the tough world of fashion
"L'Wren spoke to me about how much she loved the family side of her life with Mick and his children," Andre said during an interview with Entertainment Tonight.
"She loved going away with them, and I think she loved the balance that it gave her in this very tough and ruthless, heavily pressurised world of fashion."
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The Zappos artistic director told how L'Wren's Rolling Stone boyfriend was incredibly proud of the designer. "You would go to L'Wren Scott's shows and Mick always was there taking pictures, and Mick was very, very verbally supportive of her," he said.
L'Wren's death was revealed on Monday, after she was found at her Manhattan apartment by her assistant.
L'Wren loved to take holidays with Mick and his children, including daughters Jade (left) and Georgia May
Reports abounded that she may have been immensely unhappy, but Andre says he "never thought for one second or ever heard that L'Wren was suffering from depression or tried to harm herself or take her life, ever."
He added: "I felt close to her and I feel that I knew a lot about her. There are no words I can articulate because I feel I've lost a friend and I feel I've lost a surrogate big sister."