LA Times reviewed Twilight. Here is the part about Rob:
"Hardwicke also was instrumental in casting Kristen Stewart and Robert Pattinson as the star-crossed Bella and Edward, and those choices were excellent, not only because they're skilled performers but also because they too threw themselves into their parts as if they were Greta Garbo and Robert Taylor doing "Camille" for George Cukor."
This picture seems to sum up Kristen and Rob :-))
You can read the rest HERE.