The 46-year-old "Make Me Like You" hitmaker said she gave an audition for the role that was finally played by actress Angelina Jolie in the movie, reported US Weekly.
"I feel like I almost got it. I went to a bunch (of auditions). (It was) very competitive and I wanted to do it, but I wanted to do music more," she said.
The American-born pop star further discussed that the competition for Brad Pitt starrer was between Jolie and her.
Sharing her experience while acting she said, "Whenever I've done it, whenever I had moments where it works, it's just like performing. You hit a moment. And that's what movies are: a series of moments.