Reconstruct a question, answer pair from this explanation: To answer the question, consider the following: Fashion historians ascribe the origins of the little black dress to the 1920s designs of Coco Chanel and Jean Patou intended to be long-lasting, versatile, affordable, accessible to the widest market possible and in a neutral colour.
Q:Context: A little black dress (LBD) is a black evening or cocktail dress, cut simply and often quite short. Fashion historians ascribe the origins of the little black dress to the 1920s designs of Coco Chanel and Jean Patou intended to be long-lasting, versatile, affordable, accessible to the widest market possible and in a neutral colour. Its ubiquity is such that it is often simply referred to as the "LBD".

Question: who pioneered the little black dress or lbd back in 1926?
A:Coco Chanel