The biopic follows the relationship of children's author A. A. Milne and his son Christopher Robin, whose toys inspired the tales of Winnie The Pooh.
Robbie stars as Christopher Robin's mother Daphne.
Watch the trailer below.
Goodbye Christopher Robin starring Margot Robbie will be released in Australian cinemas on November 23.
The biopic follows the relationship of children's author A. A. Milne and his son Christopher Robin, whose toys inspired the tales of Winnie The Pooh.
Robbie stars as Christopher Robin's mother Daphne.
Watch the trailer below.