So basically a mate and I were hanging out with a couple of girls and guys last weekend when a girl that’s a friend of mine decided to go all out on some random chick. Obviously the girls where doing it to get all the guys attention, so what the hell am I suppose do? The other guys that were there were whistling/chanting etc with their eyes glued in fascination.
So let’s say for next time (which their will be a next time), what would you recommend if I:
A. Wanted to get with one of those girls?
B. Wanted to get with an on looking girl (not part of the act)?

Cause I was wondering whether showing disinterest/acting like it’s no big deal would put me above the group or if it would cut me out as a viable partner.
Thanks,

attention whores, they are so 1998

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what dr. house brings to medicine, i bring to everyday life (an extreme dose of cynicism), don't listen to the curmudgeon!

In this case, it's looking like a floor show. You need to show them that you think more of them than just a cheap thrill, but rather are concerned with making them happy, even if only from a ONS.

A. Go up to them, and tell them that if they just want to perform, that's fine, but if they want to have a genuinely good time, to find you later, then walk off. You're right that you want to show disinterest. But not in a "this turns me off," way. Just a general "I can go either way with this" deal.

B. First, gauge her reaction. Don't join in the whooping and hollering. Ask her what she thinks of that. If she's turned on by it, tell her you're better than what they're doing down there. If she's disgusted, direct it back by saying she's right: guy-girl is way more fun than girl-girl.