I saw my boyfriend dancing with my friend, did I overreact?

I was my boyfriend dancing with my friend at a club and even tho it wasn't "sexy" dancing my heart fell to my stomach and I didn't like it that they were dancing. Logically I don't think they would ever do anything but I couldn't help feeling jealous. After I saw them I totally shut down and gave them the silent treatment, I didn't know how to handle it. Did I overreact? How should have I handled it?
I saw my boyfriend dancing with my friend, did I overreact?
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