Oh my god! Aren't you {insert celebrity name that the girl vaguely looks like}?
No? Well I could of sworn it is you, you have those same beautiful {insert attribute}?
Latter on at 3am... It is so crowded here, I would love to get to know you better, lets find a more private place.
Or talk about movies and mention that you have {insert movie that her type would like}. Or talk about music and invite her to go listen. Or mention you have good weed/coke/booze at home that is just waiting for her!