Need advice!

Malina • Mommy to Serenity, Harley and my Angel baby Ava. 👼🏽 💞

A few months ago my boyfriend cheated on me with one of our close friends best friends. This weekend is our close friends birthday and she’s having a dinner that she invited us to. I have to work. My boyfriend is off and wants to go but the girl he cheated on me with will be there. And I can’t even go. I feel really uncomfortable that they’ll both be at the dinner. Is it wrong to ask him not to go?