貪靚 的英文

If you mean someone who follow the style, then you can use the following words:

trendy
fashionable
in
cool
stylish
chic

Vain = Excessively proud of or concerned about one's own appearance, qualities, achievements.

She is so vain...
OR
She's a vainer.
OR
The vainest thing that she does is...

Corruptly dresses up

style-freak

beauty queen

fashion lover

或

Be greedy for Jing

love beauty
beauty lover

style-freak
or
beauty queen
or
fashion lover