“Jerry Maguire” and “Stuart Little” star Jonathan Lipnicki is nearly unrecognizable as he takes on a far darker role in his latest film. The former child star, 35, appears in “Primetime,” a psychological crime thriller about the making of NBC’s “To Catch a Predator,” the reality series that confronted men accused of trying to meet minors for sex. The film features a nude scene involving Lipnicki, whose character is caught by “To Catch a Predator” host Chris Hansen, played by Robert Pattinson, while attempting to meet an underage boy. “I’ve done full frontal before in a play, ‘Lost Girls,’ so that part didn’t bother me as much,” Lipnicki…
