Kaia Gerber and Lewis Pullman are taking their romance to the big screen. Gerber, 24, and Pullman, 33, were both recently cast opposite Dylan O'Brien in James Morosini's new erotic thriller, Bulls. In Bulls, Danny (O'Brien) "books a last-ditch trip to a hedonistic island resort, hoping to come back as someone his girlfriend can finally believe in," a logline reads. "His lonely escape detonates when a hookup with Ava, a married woman (Gerber), puts him on a collision course with her alpha male husband Marco (Pullman).