It's been 10 years since British actress Keira Knightley was chosen to embody the "playful and intense, unpredictable and unforgettable" Coco Mademoiselle perfume. Coco Mademoiselle is currently the best-selling fragrance from Chanel. This fall, we expect the brand's new perfume Gabrielle, which should represent Coco Chanel in her early years, before she became known as Coco. Actress Kei...