Anna Delany died in her home in London on Tuesday, a spokesperson for the designer’s estate said.
“She will be missed by many,” the statement said.
In the 1960s, Delany was one of the first British women to create the glamorous lingerie for women, a move that became synonymous with the era of couture and glamour.
Delany, who died on December 11 at her home, had been suffering from dementia for a number of years and her daughter, Elizabeth, said the fashion icon was not a typical person.
“There are so many people in this world who would love to have their mum back, and Anna would have been one of them,” she told the New York Times.
Delaney also helped popularise the sport of bikini dancing and later became a fashion designer herself.
Her work included dresses, dresses, and accessories.
She also had a fashion magazine, Delaney’s World, which she published for several years from 1957 until her death.
The magazine featured Delany’s signature, elegant-style dresses, as well as her signature, simple and low-cut tops, skirts, and swimwear.
She was also known for her collaborations with fashion designers including Donna Karan, Barbara Guggenheim, and Audrey Hepburn.
Delanys fashion has been the subject of many fashion myths and legends, including that she invented the bikini as a means of escaping the monotony of her husband’s daily life, and that she never wore a bra, as claimed by the magazine.
She had a body that was smaller than average for her height, she was said to have been born in England, and she was a vegetarian.
The popular image of her was that of a woman in a pink dress and a blue skirt, with a little black ribbon around her neck, with her eyes closed.
In reality, Delanay was a strong woman who was known to take up many sports and other leisure activities, and would often take time off from her career to take on her passions.
She is survived by her daughter Elizabeth Delaney and her husband, designer Harry Smith.
The fashion icon is survived with her partner of 50 years, Harry Smith, and their children, Sophie and James.
The cause of death is not yet known.