What is a smooth way to slide into the DMs if this cute guy from class?

So there is this guy that I have a crush on. I follow him on insta and have always thought he was cute. Right now, we have gym class together and I spoke to him a few times. What is a way to start a convo with him in DMs without coming off as creepy or desperate?

What is a smooth way to slide into the DMs if this cute guy from class?
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