Like you have mastered facial expressions and can pose for pictures in such a way that they always convey the message you want to put through them?
Most Helpful Girl
Pretty much what thissitesucks said. Some people know what to do, they know their body, their angles, their lighting etc...
I think anyone who takes many knows what works for them. Maybe that comes easily to some more than others but I don't know about "naturally"... its trial and error.0