Tokyo — French fashion designer Manfred Thierry Mugler, whose striking designs were worn by celebrities including Madonna, Lady Gaga and Cardi B, has died. He was 73 years old.

The dressmaker passed away on Sunday, according to his Instagram account. "May his soul rest in peace," the account indicated in an entry with a black image and no photograph. The cause of death was not indicated.

Mugler, who launched his label in 1973, became famous for his architectural style, defined by broad shoulders and a narrow waist. The use of futuristic fabrics reminiscent of plastic in his sculptural creations became a trademark of the house.

For several decades he was an influential name in haute couture, dressing stars like Diana Ross and Beyoncé at galas, red carpets and runways.

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His designs were not afraid to deviate from the norm, sometimes looking like robotic suits with conical protrusions. Mugler also had a popular line of perfumes that he launched in the 1990s.

The fashion world was abuzz with expressions of condolences. The American model and actress January Jones mourned the death of Mugler from their official Instagram accounts.

In addition to clothing, Mugler made films and photographs, and was a dancer, acrobat, and a keen bodybuilder, interested in exploring the human body as art.

“I always felt like a director, and the clothes I made were the direction of everyday life,” Mugler told Interview Magazine.

Questions about funeral plans were not immediately answered.