Is it normal to have a "girl crush"?

So I'm a straight woman. I'm very confident in that assertion, as although I find women beautiful I could never imagine being intimate with a woman or wanting to be romantically involved.

Recently I've been noticing this girl barista who works in a cafe near my house. It's strange because I still don't feel romantic attraction, but I keep thinking oh wow she's so gorgeous and really pretty, and I can't stop looking at her when I'm there.

That being said I have a boyfriend and I am not romantically attracted to her at all. I think it's just a wee "girl crush".

Is it normal to have a type of crush on a gender you're not attracted to?
Is it normal to have a "girl crush"?
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