* Queen Victoria: Her influence on fashion was significant, particularly in the Victorian era.
* Coco Chanel: A revolutionary designer whose styles emphasized comfort and simplicity.
* Audrey Hepburn: Known for her elegant and sophisticated style, popularized by films like "Breakfast at Tiffany's."
* Jackie Kennedy: Her classic and refined style made her a fashion icon during her time as First Lady.
* Princess Diana: Her fashion choices were widely followed and influenced trends throughout the 1980s and 1990s.
* Madonna: A pop icon who constantly reinvented her style, influencing trends in music and fashion.
The "most" popular is subjective and depends on the era and context.