True 
superstardom in the adult entertainment industry is a tough thing to achieve. And this year’s Dirty Dozen certainly underscores that.
Just five of the actresses we listed among the industry’s most popular last year make return appearances in 2012, as new faces have come along — and some veteran performers made a comeback.
Popularity in the porn industry is often fleeting. 
Some performers experience a meteoric rise and fall in the course of a year. Others connect with the audience on a different level and manage a multi-year ride at the top.
Though there is no real formula for success in this industry, these 12 performers have proven to be more than just a flash in the pan, with tremendous staying power over the past few years. What’s more there are no signs their careers are in danger of waning anytime soon.
Chris Morris: Journalist 