RUN WITH IT: Dax Shepard, Kristen Bell, Joy Bryant and Tom Arnold turned out for a Gen Art-sponsored advance screening of their latest film, “Hit & Run” at the Downtown Independent Theater in Los Angeles. The romantic comedy centers on a former Witness Protection Program getaway driver (Shepard), who is chased while helping his girlfriend (real-life fiancee Bell), move to L.A. Shepard also wrote the movie and co-directed alongside David Palmer. “To see Dax in this role as co-director and writer was amazing,” said Bryant, who costars with Shepard on NBC’S “Parenthood.” “Filming was more fun than I’ve ever had, because we were with all our friends,” said a Vanessa Bruno-clad Bell, who will next voice the newest Disney princess in the movie “Frozen.”