Our pal Gena was at the John C. Reilly/Dewey Cox thing yesterday (where she took the picture above and a hundred others), and she tells us Reilly-as-Cox was amazing, "never breaking character and ad libbing with the best of them, sweating like a rock star and gyrating like one, too." He also busted out a cover of Amy Winehouse's "Rehab," which we want to hear so very badly. She adds, "The band was remarkably... more ›