The term 'Last Name in Fashion' refers to the surnames of some of the most iconic fashion designers in the world. The five names are Klein (5 letters), CHANEL (6 letters), Lauren (6 letters), Karan (5 letters), and Dior (4 letters). Calvin Klein is an American fashion designer who founded his own brand in 1968, and is known for his minimalistic designs. Coco CHANEL was a French fashion designer who founded the CHANEL brand in 1909, and is credited with popularizing the little black dress. Ralph Lauren is an American fashion designer who founded his own brand in 1967, and is known for his preppy style. Donna Karan is an American fashion designer who founded her own brand in 1984, and is known for her modern and sophisticated designs. Christian Dior was a French fashion designer who founded the House of Dior in 1946, and is credited with introducing the A-line silhouette. Oscar de la Renta was a Dominican fashion designer who founded his own brand in 1965, and is known for his glamorous evening gowns.