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Rebel Wilson Defamation Case Ruling Appealed by ‘The Deb’ Star Charlotte MacInnes
Charlotte MacInnes has appealed the Federal Court of Australia’s dismissal of her defamation and breach-of-confidence case against Rebel Wilson. She is challenging findings that Wilson’s Instagram posts were not defamatory, did not seriously harm her reputation and were substantially true, and is also seeking to overturn an order requiring her to pay Wilson’s legal costs.
MacInnes, the lead actor in Wilson’s directorial debut “The Deb”, filed the appeal a day after Justice Elizabeth Raper’s ruling in Sydney. The dispute concerns four groups of posts published between September 2024 and July 2025; Raper found only one meaning was conveyed, relating to MacInnes allegedly changing her account of an uncomfortable encounter with producer Amanda Ghost, but ruled it was not defamatory. MacInnes is seeking either judgment in her favour, a new trial, or reconsideration by a different judge, while alleging errors in the judge’s interpretation of the posts, assessment of evidence and procedural fairness.
In short
- MacInnes appeals dismissal of her case against Rebel Wilson.
- She disputes findings on defamation, harm and truth.
- She also challenges liability for Wilson’s legal costs.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
MacInnes' appeal raises legitimate questions about how social media posts should be interpreted in defamation cases. The posts' meaning may be more ambiguous than the original judgment acknowledged, and their impact on reputation may have been assessed too narrowly. Concerns about procedural fairness in how evidence was evaluated further support the case that the judgment warrants reconsideration, potentially by a different judicial officer.
The case against
The original judgment was based on careful analysis of the posts and proper application of defamation law, finding them substantially true and not defamatory. Appeals should be reserved for genuine legal errors rather than the losing party's dissatisfaction with the outcome. Finality of judgments matters; defendants deserve certainty after successfully defending themselves, and allowing weak appeals encourages vexatious litigation that imposes unfair costs on successful defendants.
Explained simply
Rebel Wilson is an Australian-American actress and filmmaker who directed the film "The Deb". Charlotte MacInnes is an actor who appeared in that film. Between September 2024 and July 2025, Wilson posted several messages on Instagram that led to a legal dispute between the two.
Defamation is a legal claim alleging that published statements have falsely damaged someone's reputation. MacInnes took the matter to Australia's Federal Court in Sydney, claiming the posts had damaged her reputation. In July 2025, Justice Elizabeth Raper dismissed the case, finding that the posts had not seriously harmed MacInnes's reputation, though the dispute centred on claims related to an uncomfortable encounter involving producer Amanda Ghost.
The case involves important questions about how defamation law applies to statements made on social media and what remedies are available when someone claims their reputation has been damaged. Legal appeals offer a mechanism for parties to challenge court decisions and seek reconsideration if they believe the judge made errors in interpreting the law or evaluating evidence.
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