Should i stand up to, or Ignore these girls on my dance team?

You need to do something about these bratty girls. I personally think that you should go up to the girls and tell them how you feel about their behavior and make sure that you say that you still want to be friends...or at least act like it. Or tell your dance teacher and tell him/her to put on a "team meeting" so you can all tell each other how you feel. If NOTHING works, then you should maybe consider going on a different dance team because you seem like your too good for this nonsense. Take it from me, I'm a Cheerleader for a college basketball and football team, and I had some of the same problems. But instead of letting it go on and on, we all went up to eachother and we said how we felt. And it truly made us feel better, and we weren't uncomfortable at practices or at games.