She might be gracing theaters this weekend as Bella in the last movie in the “Twilight” franchise, but Kristen Stewart’s turn in “On the Road” might make audiences everywhere see her in a new light. The film based on the book by Jack Kerouac, also stars Sam Riley, Garrett Hedlund, Kristen Dunst, Viggo Mortensen and Elisabeth Moss. It is due out in theaters on Dec. 21.