Ashley Greene and Nikki Reed were swarmed by fans on their way into Comic-Con in San Diego this morning. They stopped to pose for photos and sign autographs, as did their costars Elizabeth Reaser, Booboo Stewart, and Julia Jones. The Breaking Dawn press conference is just getting started, and BuzzSugar is tweeting live from Comic-Con with all the latest. Robert Pattinson and Kristen Stewart haven't made their entrance yet, but they've been hanging out in LA ahead of their trip south. Rob was spotted walking his dog, Bear, with pal Tom Sturridge, while Kristen's been taking yoga classes and prepping for her upcoming role in Snow White and the Huntsman.