20. 'Twilight' (2008) Like you haven't heard of this one. The global phenomenon that keeps on giving, "Twilight" was the film that launched Robert Pattinson and Kristen Stewart into the stratosphere as the hottest on-screen (and off?) couple to come along in quite some time. As the resident high school vampire Edward, Pattinson broods and poses his way through class, attracting the at…