Mustache shadow on girls?

Okay guys have you ever seen a girl with a shadow above her upper lip and it looks like a mustache? How do you feel about it and does it bother you? And girls do you have one? And if you still have one are you insecure about it or how do you go about having it?
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Also how dark is dark to when it comes to this mustache shadow. And if you can show a pic that would be great! Thanks
Mustache shadow on girls?
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