Is it weird if a girl dm's a guy on instagram?

A long time ago i followed a guy on instagram and he followed me back. I sometimes likes his pictures and he also likes mines. Sometimes he even likes some older ones randomly and i like some back, he has been doing this a couple of times so i assume he finds me pretty.

I still think it would be a bit weird if i dmd him. What do you think? What is also holding me back is that he follows a lot of girls and for me its just him i really find attractive because i rarely find someone interesting.
Is it weird if a girl dm's a guy on instagram?
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