The 35-year-old actress will star in the project alongside Ewan McGregor and play Christopher Robin's wife, reported Variety.
The movie, which is being directed by Marc Forster, is centred on Christopher Robin - played by McGregor - as a grown-up, who has lost his imagination and is too focused on work to have fun with his family until Pooh Bear surprisingly re-enters his life.
Christopher Robin's character was created by late English author A.A. Milne and featured in his two books "Winnie-the- Pooh" from 1926 and "The House at Pooh Corner" from 1928 - inspired by his own son and his beloved teddy bear - with both tomes focusing on the boy's adventures with talking bear Pooh and the other animals of the Hundred Acre Wood.
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