Ms. Chadha , below , who directed '' Bend It Like Beckham '' and is working on a remake of '' I Dream of Jeannie , '' has signed a deal with 20th Century Fox to direct a film version of '' Dallas , '' the 1980 's prime-time soap , that will star John Travolta as the Texas oil baron J. R. Ewing and Jennifer Lopez as his wife , Sue Ellen , The Associated Press reported .