Knightley's appearances at premieres and award shows gained her attention for her elegant and often unconventional fashion choices. She quickly became known for her sophisticated style.

Knightley became the face of Chanel's Coco Mademoiselle fragrance. This partnership solidified her status as a fashion icon and exposed her to a wider audience.

Knightley's style has influenced fashion trends, with many women emulating her classic and often romantic looks. Her choices have been widely covered by fashion magazines and websites.

Knightley continues to be a fashion inspiration, showcasing her unique style at events and in her personal life. Her ability to blend classic elegance with modern trends has made her a timeless style icon.