Don;t go then! It;s your life and you shouldn't feel pressurised into doing stuff you don't wann do! Explain it to her, and if she really care,s she won't mind:)

Tell your gf you'd rather not go, it isn't your style of how to spend time and if she is fine going alone.

tell her you're not going, and that you're going to go out with your friends.

So my gf's best friend is having a hotel party next week. I've been to two parties with my gf and I've literally been bored out of my mind at both of them. I always just sit around on my phone. I don't like the music and I don't feel the need to talk to those people. Also I don't smoke/drink and I know they may do that there. What should I do? I really don't wanna go.