Dakota Johnson, Jamie Dornan, Luke Grimes, Eloise Mumford and Jennifer Ehle are also on board, with Sam Taylor-Johnson directing.
Based on the bestselling book "Fifty Shades of Grey" by E L James, the movie follows the relationship of 27-year-old billionaire Grey and college student Steele. The subsequent novels in the series are "Fifty Shades Darker" and "Fifty Shades Freed."
The trilogy has been translated in 52 languages worldwide since its release. To date, the "Fifty Shades" trilogy has sold more than 90 million copies worldwide in e-book and print, making it one of the fastest-selling book series ever.
Michael De Luca and Dana Brunetti are producing. Kelly Marcel penned the script.
The Yugoslavian-born British singer-songwriter is best known for her single "Hot Right Now." Her most recent album, "Ora" went platinum and was also the number one album in the U.K. upon its release. She is repped by CAA and Turn First Artists.
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