J-Law Legs It To Catching Fire US Premiere
Hunger Games star wears revealingly sheer outfit on red carpet in LA...
And J-Law broke one of fashion's cardinal rules with her outfit - displaying legs and cleavage at the same time.
The 23-year-old actress wore a dark grey Dior Haute Couture gown, which featured a sweetheart-cut bodysuit with a textured, sheer overlay.
The eagerly awaited movie sequel is opening a week later in the US than in Europe, having had its world premiere in London last week.
Other celebs on the red carpet for the screening included Jaden Smith and Willow Smith, Kendall Jenner and Ashlee Simpson.
J-Law has been speaking about the social anxiety she suffered from in her youth.