Given the book's plot, fans already know to expect gut-wrenching moments, but Jennifer's answer includes a major spoiler alert for those who haven't read the book.
According to Jennifer, the death of the character Rue was the most difficult scene for her to watch. Rue is a character whom Katniss takes on as a little sister during the brutal games. "That was just horrible," Jennifer revealed.
During the interview, Jennifer also discussed the highly anticipated "cave scene" between Katniss and Peeta. She admitted to being pretty aggressive during the scene and explained how first kisses can be awkward, but in this instance, her character was like, "Here we go!"
In addition to discussing her role in the film, Jennifer also shared the techniques she uses to cry on command and talked about footage that didn't make it into the final version of the film. Fans can check out the video to learn more.