Margot Robbie and Colin Farell chat with ET’s Deidre Behar about ‘A Big Bold Beautiful Journey,’ in theaters on Sept. 19. Both actors share how parenthood has enriched their lives. Plus, Colin opens up about his big dance numbers in the movie and how his past as a line dancer helped him in this role. Margot and Colin also react to how their last major roles, ‘Barbie’ and ‘The Penguin,’ are similar to this new movie.