Jennifer Lawrence on the Origin of 'JLaw,' and Kissing Amy Adams in 'American Hustle'

"Extra's" AJ Calloway caught up with "American Hustle" stars Jennifer Lawrence and Amy Adams as they promoted the film.

Jennifer talked about the origin of her nickname, "JLaw," after seeing it written on AJ's notes for the interview.

Jennifer and Amy also chatted about the amazing chemistry of the cast, and opened up about the scene where they kiss each other. Amy remarked that Jennifer did a great job at it, and that "she has very soft lips."