Some punchlines just write themselves — take this one, for instance: It’s not easy to make Spencer look like the smart one in the family, but somehow Stephanie Pratt has managed to do just that. (We’re convinced these people were dropped on their heads shortly after birth.) After Wednesday’s announcement that the producers of Twilight have purchased the film rights to Lauren Conrad’s semi-autobiographical novel, L.A. Candy, everyone’s dying to know which stars will be cast to play the kids of The Hills in the eagerly-awaited big screen feature.