When the stars descended on the Nokia Theatre in Los Angeles Monday for the “Twilight: Breaking Dawn — Part 2” premiere, it seemed fitting that so many wore green. Because while the final installment of the saga will bring closure to besotted fans, the movie will also be quite a payday for those involved. Of course, some of the ensembles worked better than others. Dakota Fanning looked glamorous in Elie Saab, while Maggie Grace wowed in Bibhu Mohapatra. But Robert Pattinson, clad in an emerald Gucci suit, looked a little — dare we say it? — jaded.