Kristen Stewart has been famous for 20 years with over 40 films to her name, and feels that only now does she have a mature perspective on her life in the limelight.The Twilight actress shared with the November issue of InStyle that as a 30-year-old she can comprehend the pressure she felt at being labeled a 'lesbian' at age 21; she now calls herself queer.And the movie star from Los Angeles also told herHappiest Season director Clea DuVall that there was a reason she was so careful with her Robert Pattinson romance: 'We did everything we could to not be photographed doing things—things that would become not ours.' Hard to do in the spotlight:Kristen Stewart shared with the November issue of InStyle that as a 30-year-old she can comprehend.