Paparazzi this week snapped the holy grail of celebrity photos, capturing Twilight stars Robert Pattinson and Kristen Stewart as they shared a kiss, said The photo, taken at a film premiere, seemingly puts to rest the “are they or aren’t they?” speculation about whether the two stars are romantically involved. Pattinson, 24, and Stewart, 21, have long been coy about the nature of their off-screen relationship.