Chanel's popularity began with the elegant little black dress and the signature Chanel No. 5 fragrance - so called as when Coco was smelling hankerchiefs inpregnated with different perfumes for her House scent she said she preferred No.5. After Chanel No. 5 was launched in 1921, Coco Chanel's fashions became well-known and were purchased by the high flyers of London and Paris society alike. Other popluar fragrances by Chanel include Coco Mademoiselle, Allure & Egoiste.