AMERICAN actress Kristin Stewart looks brilliant as W Magazine’s September 2011 cover girl. She acted in four Twilight movies from 2008 till this year. The movies were about the love story between a Vampire (吸血鬼) Edward and a human girl Bella. Playing Bella made Stewart a big success. “Now the movies have all ended and I had to say goodbye to Bella.The character taught me about the world,” she said. The first part of the fourth Twilight movie, will be in US theaters late this year.