Well, this is a bummer! James Van Der Beek won't be reuniting with his Dawson's Creek cast after all! Just one day before the highly anticipated class reunion, the actor - who is battling cancer, which inspired this event in the first place - announced via Instagram on Sunday that he has to back out! Oh, no! The 48-year-old revealed he's suffering from "two stomach viruses" that have made it impossible for him to attend. He sadly shared: "This is the evening I'd been looking forward to MOST since my angel Michelle Williams said she was putting it together, way back in January...