Brie Larson thinks her job is "weird".
The 'Room' star loves her acting career but admits shooting for 'Free Fire' left her with the "most disgusting and intense" bruises.
She said: "I slowly got the most disgusting and intense bruises all up one side of my leg. It became progressively more and more painful and more and more awful-looking. My job is so weird. This is what I'm doing. How do I explain this to people?"
In the action thriller film, the 26-year-old actress' character Justine gets shot in the leg and Brie spent most of the shoot crawling on the floor.
She added to PEOPLE magazine: "For the following month, every day I was crawling on the floor that had tons of rocks and things on it.
"So I had to sort of figure out, because I had one arm that's bad too, you're just sort of scooting and lifting your butt up and slamming it back down. You're trying to crawl for your life."
Meanwhile, Brie previously revealed she needed to "find herself" after making 'Room'.
She said: "This time a year ago I was still trying to figure out who I was. The movie was done but I was in deep, searching, trying to remember who I was before this movie.
"Who I was by the time the movie was over was so far away from who I was when I started. So it was a long process of trying to find myself."
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