Jennifer Lawrence is the highest-paid actress in the world. Guess how much more the highest-paid actor made?

The Hollywood gender wage gap has been a hot topic this year, thanks in part to the Sony e-mail hack, when it was revealed that Jennifer Lawrence and Amy Adams received a smaller percentage of back-end profits than their male co-stars on "American Hustle." And during the Oscars, when Patricia Arquette turned her acceptance speech into a call for wage equality for all classes, it certainly struck a chord in the room.