If I've already been "invited to the party" so to speak, with a lady, what do I do before we get into it?

Question

I'm going to a girls house tonight. we're going to party for sure and that's the main reason Im' going over there. But what should I do when I get there? like before we go do the party..

by party i mean something else

Answer 1

pre-game? lol

either that, or just break the ice, kinda stick with her the whole night i guess, but not in a creepy way.