45 World famous Fashion designers you should study to learn ... - Sew Guide Domenico Dolce and Stephano Gabbana Italian fashion designers who established the fashion house called Dolce & Gabbana. More on the brand here Donna Karan The founder of the brand Donna Karen New York. (DKNY) She came up with a collection of 7 interchangeable pieces that could be used from morning to evening.