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Margot Robbie is teaming with Warner Bros. once again to star in an adaptation of Dean N. Jensen’s book Queen of the Air, EW has confirmed.

Robbie, who most recently starred as Harley Quinn in Warner Bros. villain-centric comic book film Suicide Squad, will take a walk on the wild side again for the studio to tell the story of Lillian Leitzel, a trapeze artist from the early 20th century. A director is not yet attached, but Cat Vasko has adapted the script.

Jensen’s 2013 novel chronicled Letizel’s rise to fame as she performed for the Ringling Bros. and Barnum & Bailey Circus. The star eventually fell in love with fellow circus performer Alfredo Codona, entering into an impassioned relationship accentuated by their diva behavior.

Discussions have already begun at Warner Bros. on a spin-off film for Robbie’s Harley Quinn. The actress is also going to star in Goodbye Christopher Robin for Fox Searchlight.

The Hollywood Reporter first reported this story.