couturier:
(plural ‘couturiers‘; pronunciation: the letter ‘c’ is said with a ‘k’ sound, and the letters ‘cou’ are said as ‘cow’ in British English and ‘coo’, as in “cool”, in American English; and female: ‘couturière‘)
a person (a trader) who dealt with the business of designing, making and selling fashionable women’s clothes;
a clothes designer; a fashion designer,

a couturier with his designs for men
The royal couturier was the clothes designer who was responsible for the stunning clothes that the royalty wore, which should be modern and original, yet decent.
The word couturier is from French and is still used to refer to the most exclusive and limited members of the fashion design world.
Though she is the States and acts in the Hollywood films, most of her clothes are made the ‘grand couturiers’ of Paris, France.
Many of the fashion show critics point out that the design clothes we see in the present fashion shows are copied from the designs of the great couturiers of the 1950–1970’s.

a couturière
