abbaRabbit- I don't know too much about the subject, but I think the famous ones are yes the supermodels. Just like famous musicians are superstars, you see?
That is, I think that's what it is.
"It's a great feeling of power to be naked in front of people. We're happy to watch actual incredible graphic violence and gore, but as soon as somebody's naked it seems like the public goes a bit bananas about the whole thing."