I can only speak of my own experience but the Porn starlets I've actually partied with because they were cool:
Kimberly Kane (right after she won the AVN for best BJ)
Aaralyn Barra (but she was a complete bitch the next time I saw her)
Hailey Young (as good a person as they come)
Taylor Rain (she pee'd on my floor in retaliation for my drunken aim on her toilet a few months before)
Leah Luv (a great personality and surprisingly articulate)
Zoey Matthews (another surprisingly smart girl to talk to)
Daejha Milan (a big heart and very entertaining)
Anita Blue (I don't know if it's an act, but I LOVE dumb whores)
Holly Wellin (very easy on the eyes and the accent...
)
Montanna Rae (typical midwestern whore, fun to be around)
People I'd love to party with but haven't yet:
Evan Stone (I know he's not a girl but he's hilarious to be around)
Holly Randell (I just find the whole Randell history so professionally intriguing)
Ginger Lynn (The reason I ever bought a VCR in the 80's)
Kelly Wells (there's something that fascinates me about a girl who won't say "No" to anything)
I'm certain there are more but these are the ones off the top of my head.