Rebel Wilson is defending herself against a defamation lawsuit filed over Instagram posts she made about the star of her film "The Deb." Wilson called the bullying allegations "absolute nonsense" in response to the legal action. The actress posted on social media about another cast member, prompting the suit. Details about the specific claims and Wilson's posts remain limited. The case centers on whether her Instagram statements constitute defamation or are protected speech. Wilson has not disclosed further details about the dispute or her defense strategy. The lawsuit marks a rare instance of legal conflict emerging from behind-the-scenes film production tensions playing out in public through social media.