Coco Chanel was a pioneering French fashion designer known for her modern designs that liberated women from restrictive clothing of the time. She introduced simple yet elegant styles like the signature Chanel suit and little black dress. Chanel also launched the first designer perfume, Chanel No. 5, revolutionizing the luxury fashion industry. Her minimalist designs emphasized comfort and practicality, using fabrics like jersey and men's influences. Chanel's innovative styles left an enduring legacy that still shapes fashion today.