stylist
US /ˈstaɪ.lɪst/
UK /ˈstaɪ.lɪst/

1.
a person who designs or advises on fashionable styles, especially in clothing, hairstyles, or interior decoration
:
•
She hired a personal stylist to help her choose outfits for the event.
•
The celebrity's new look was praised by fashion stylists.