Weight Gain
For his role in “Primary Colors” in 1998, for which he would be portraying a Presidential candidate similar to Bill Clinton, the directors, and producers thought it might be more believable if Travolta gained some weight to portray the role.
They asked him to gain about thirty pounds which was a departure from his slim and sleek physique in movies like “Grease” and “Saturday Night Fever.” To make this happen, he said he got to binge-eat burgers and junk food, to which he admitted to enjoying. “It’s been fun gaining it,” he said. Of course, Travolta would eventually undo all of that “hard work” for future projects.