25 Things You Don't Know About 'Hunger Games' Star Jennifer Lawrence

"The Hunger Games: Catching Fire" hit theaters this weekend, burning a $161 million hole in the box office - all thanks to America's sweetheart, Jennifer Lawrence.

Critics are saying the 23-year-old Oscar winner nails it, delivering a mesmerizing performance that makes the film's action, adventure, political subtext, and humor work.

How much do you know about the Girl on Fire?