Does my girlfriend not care to impress me?

So basically we are from different cultures and I find that the girls at her city wears “boring” clothes, and girls my city wear beautiful clothes.
So I told her to buy some beautiful clothes and dress up. And she said that’s her style and she likes it, she said she won’t buy clothes just because I want her to wear what I want her to wear. She said she wears whatever she likes not whatever I like.

Does she not care about me because she doesn’t want to impress me to be more beautiful?
Does my girlfriend not care to impress me?
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