sentences:  After his massive physical change following "Twilight", Lautner became a tabloid teen idol with his co-stars Robert Pattinson and Kristen Stewart.Lautner, determined to stay in the series, worked out every day and gained over of muscle in order to bulk up for the role of Jacob Black in the remaining films in "The Twilight Saga".Michelle Lanz of MSN Wonderwall said that Lautner's change may have saved his career.