Natalie Portman is indeed beautiful but I wouldn't want to do her because her body is pretty child-like. Way too skinny and bony for my tastes. Though I guess some guys are into that sort of thing. I like my T&A.
I also have my real number 4 and 5 now:
Alyssa Milano:
(SPOILER)
Monica Belluci:
(SPOILER)
Can't forget about the Italians!