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According to Deadline, "I, Tonya" recounts the assault on Kerrigan by two men who were hired by Harding's then-husband, Jeff Gillooly, to knock her out of competing for the Olympics.
Harding later admitted that she had knowledge of the attack, and was banned for life from professional figure skating.
Robbie, who is also producing on "I, Tonya," is currently seeking a director for the project.
The script, written by Steven Rogers, is based on extensive interviews he had with both Harding and Gillooly.
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The Harding role would be one in which she shows off her dramatic chops.