There has always been speculation that the two are closer than they let on, and this will only be fuelled by the story that Rusty sent a helicopter to bring Nicole to join him on a film-set in Mexico. The whole episode was very cloak and dagger. According to an inside source, 'They bundled Kidman into the back of a Chevy Suburban with tinted windows and raced to the Club Marena where Russell is staying. When they arrived, the security men peered around for prying eyes, then surrounded Nic as they escorted her into the hotel.' Kidman spent the night at the hotel and flew back to Los Angeles the next day. So what's the story?

Source: Press Release