Jennifer Lawrence was paid less than her male co-stars on 'American Hustle,' and she's not letting it happen again

Somewhere between filming the final "Hunger Games" movie, another turn as Mystique in the upcoming "X-Men: Apocalypse" and one more starring role for David O. Russell in "Joy," Jennifer Lawrence opted for something completely different: the big-budget sci-fi romance "Passengers." The movie is notable for various reasons -- it's not a tentpole! Or sequel! Or reboot! But, for Lawrence, it's important in another sense. Her salary is $20 million, which is a lot of dough, but especially compared to t...