With her upcoming star turn as everygirl heroine Katniss Everdeen in 'The Hunger Games,' Jennifer Lawrence is about to completely blow up. It's a sharp rise to fame for the Oscar nominee and a departure from her last role as blue-skinned mutant Mystique in 'X-Men: First Class.'

As explained in the video below, turning Lawrence blue wasn't CGI trick, but rather a painstaking seven-hour process involving many artists. Or, as Lawrence describes it, 'a sleepover except I'm naked and being painted."

Check it out, below.