Would you like a receipt? misoprostol pharmacology From a vampire's love interest to the role of Joan Jett in the band biopic "The Runaways," this former child star is all grown up and becoming a force to be reckoned with in Hollywood. We're talking about Kristen Stewart, of course! Stewart's first big role in "The Panic Room" (playing Jodie Foster's daughter) came at the tender age of nine. These days, the "Twilight" star has become a paparazzi magnet.