“The Fighter” stars Amy Adams and Christian Bale reunited in Natick on Thursday for David O. Russell’s latest project, which is based on the late-’70s Abscam scandal. The stars are scheduled to be shooting the project around town for the next few months. . . . Meanwhile, Charlize Theron and Sophia Bush are still in Boston to film the “Hatfields & McCoys” pilot. Theron, who’s producing the television show, was spotted at M.J. O’Connor’s at the Westin Waterfront, while Bush, who stars in the pilot, was spotted at the Westin’s City Bar.