What is the fine-grained topic of the following text: Stars Shailene Woodley and Theo James hit up 'Jimmy Kimmel Live' last night to premiere the final 'Divergent' trailer, which whittles down this complicated sci-fi world into the main plot points -- society is divided up into factions, one breaks from the mold, the government doesn't like that so much. Only return the topic.
Shailene Woodley and Theo James premiering the final 'Divergent' trailer on 'Jimmy Kimmel Live'