I'd go for the ones that I thought I had most in common with, from what I can tell, i.e. some shared interests so there would be stuff I could try to talk to her about rather than just staring blankly at the pretty lady. So depending on your definition of "pornstar" (let's not go there) my two top would be Lucy OHara and Lacey Black.
I seem to remember giving Nina Mercedez as my answer a while back to a similar thread, possibly about "stuck on a desert island." She'd be my answer if "pornstar" has to mean "has shot big studio boy/girl scenes."
:worms1: