Does she think I'm not worth making the effort for? Is she trying to repel me?

I like this girl but we are just friends as she is not interested in me romantically or sexually. We still hang out on occasion and sometimes we do fun activities and other times we go out for drinks at a bar etc. We follow each other on social media so we are always checking out each other's stories on Instagram. I've noticed that whenever she is out with her friends she dresses really nice and wears make up. However, whenever we meet up she doesn't do that. She wears minimal makeup (if any) and doesn't really dress up at all. She mostly wears casual clothes whereas with her friends she she dresses much more stylish and attractive. I get that she may feel comfortable around me but even with people she's known for way longer than me she still makes more of an effort. Is this her attempt to maybe repel me? Maybe she think I'm not worth making the effort? I know we're not dating or anything but whenever I meet her I still make some sort of effort. I make sure I'm dressed nice and style my hair etc.

Does she think I'm not worth making the effort for? Is she trying to repel me?
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