Although there had been rumors of a feud between Parker and Cattrall before, the beef really took off after Cattrall did an interview with Piers Morgan in 2017 and said Parker "could have been nicer to her." Then, when Cattrall's brother died unexpectedly in February 2018, Parker reached out to her former co-star and offered her condolences.
On the announcement of her brother's passing, SJP wrote, "Dearest Kim, my love and condolences to you and yours and Godspped to your beloved brother. Xx."
Cattrall then went off on Parker in another Instagram post, which she captioned: "My mom asked me today, 'When will that Sarah Jessica Parker, that hypocrite, leave you alone?' Your continuous reaching out is a painful reminder of how cruel you really were then and now."
"Let me make this VERY clear. (If I haven't already). You are not my family. You are not my friend," Cattrall continued. "So I'm writing to tell you one last time to stop exploiting our tragedy in order to restore your 'nice girl' persona."
All of this drama followed SJP's announcement that "Sex and the City 3" officially wasn't going to happen, following reports of Cattrall's "outrageous demands."
"I'm disappointed. We had this beautiful, funny, heartbreaking, joyful, very relatable script and story," Parker told Extra in 2017. "It's not just disappointing that we don't get to tell the story and have that experience, but more so for that audience that has been so vocal in wanting another movie."