A veteran casting director tells HollywoodLife.com that plastic surgery could actually hurt K-Stew's future in Hollywood! While the debate rages on about whether or not Kristen Stewart had a breast augmentation, one thing has become clear: If she did go under the knife, it could have a devastating affect on her future — both in Hollywood, and in life! "I don't think it's going to help her career," veteran casting director Doron Ofir tells HollywoodLife.com. "We have all loved watching her breathe heavily on screen for the past couple of years, and new boobs could affect her breath." Frankly, Doron says he doesn't understand why K-Stew would even want to get plastic surgery in the first place. "She landed her dreamy vampire and a successful career playing awkward females, so why [would] she be changing it up now?" he says. "The good thing is she's only 22! Kristen has time to...