After languishing in development for several years, the Untitled Janis Joplin Biopic starring Amy Adams is finally moving forward, with filmmaker Jean-Marc Vallée (Dallas Buyers Club) now set to direct.Amy Adams has been attached to star as Janis Joplin for several years, with Fernando Meirelles (City Of God) expressing interest to direct back in 2010, and Lee Daniels entering talks to direct back in 2012.No details have been given regarding the story, which was written by Ron Terry and Teresa Terry.