fashionist
/ˈfæʃənɪst/Definitions
1. noun
A person who follows the latest styles in fashion, often in a way that is considered excessive or pretentious.
“She was a fashionist who spent all her paycheck on designer clothes.”
2. noun
A person who designs or creates fashionable clothing or accessories.
“As a young fashionist, she started her own clothing line and quickly gained popularity.”