[caption id="attachment_695" align="alignnone" width="146" caption="Kristen Stewart Shorn"][/caption] 'Twilight' star Kristen Stewart has been brushing up on her guitar skills as r hairdo. K. Stew is well into her preparation for the Joan Jett Runaways  biopic film role. While Kristen mulls the romantic choice of  her Twilight/New Moon/Eclipse co-star Robert Pattinson and boyfriend Michael A... more.