Bella,
Good for you, go and have a great time!...It's usually the case that you get distracted and anxiety diminishes. I bet you have a great time and this could be a stepping stone in confidence to try other things.
It's doing things like this that create great memories, when we avoid things we miss out on making good memories and at least for me, it's good memories that make life special....now go and laugh till your face hurts!!!