Girls, Best way to start a DM?

I use instagram a ton. I have a lot of female followers on snap and instagram but i never know how to send a dm. I try the usual heyy what's up. But that usually never gets a response. So i thought maybe some girls will know some ways they like a guy to start a dm with.
Girls, Best way to start a DM?
This is me ^
Girls, Best way to start a DM?
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