Abbie Cornish has signed on for the female lead in Relativity's Dark Fields, starring opposite Bradley Cooper and Robert De Niro.

According to Variety, the Aussie actress has also been set in a starring role in the Madonna-directed W.E, about the affair between King Edward VIII and Wallis Simpson that led to the British royal abdicating from the throne to marry his divorcee

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Dark Fields follows a down-and-out writer (Cooper) who gets his hands on a top-secret pharmaceutical drug that makes one smarter. He experiences sudden financial and social success but soon discovers that the drug has lethal and lasting side effects. Before long, mysterious antagonists are pursuing him.