4. Kim Cattrall vs. Sarah Jessica Parker
The tension between Kim Cattrall and Sarah Jessica Parker first came to light when Kim refused to appear in a Sex and the City movie sequel. The animosity boiled over in 2018 when Kim publicly dismissed Sarah’s condolences following her brother’s death.
Kim’s harsh Instagram post, where she told Sarah she wasn’t family or a friend, made it clear that the two stars weren’t just acting out their differences—they were living them.