Wtf? Should I reply to this b**ch?

My boyfriend is sleeping right now and I hear he got a message on fb and I read it. It's from a girl and she said "How come you are not ashamed to post photos with the biggest slut hahahah" (me)

Wtf

I am literally shaking

Updates
+1 y
I talked to her and asked her nicely why she is doing that, turns out I actually know her, she was dating my former boss and she thought he was cheating on her with me 😂😂😂🤣🤣🤣 so in the end we made up
Wtf? Should I reply to this b**ch?
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