LOS ANGELES-Kristen Stewart can’t get into the spirit of Halloween - because the holiday reminds her of happier times when she was in love with Robert Pattinson. Sources say Kristen is missing Rob more than ever. The former Twilight star was spotted at a Los Feliz neighborhood pumpkin patch with a few friends on Saturday, Oct. 26, and Rob was nowhere in sight. “Kristen didn’t really want to do anything Halloween-related this past weekend.