Guide to Being an "It Girl"

From the original “it girls,” Blair Waldorf and Serena van der Woodsen, to the “it girls” of today, Kendall and Gigi, the “it girl” has become a pop-culture trend. Girls around the world have become fascinated with these “it girls” for their sense of style, sophistication and poise both on and off the runway. So what does it take to be an “it girl?”