The best of course is to be able to improvise or prepare your own
If you are looking for a few pointers, here are some ideas you can start with.
- There is this male predator walking around in this party - I thought I would come and warn you...
- Did you hear about the party of the year? It is happening this Saturday at... - What? you haven't been invited yet?
- Quick question: Your birth sign... - Pull out this weekly horoscope in a magazine - give her body language signs like thumbs up, look worried, disapointed or surprised while you check the predictions for her sign...
Big difference between openers and pick up lines.
An opener opens a discussion - What we have there are potential starting points.