Celebrity feuds are endlessly fascinating, and even have their own award-winning Ryan Murphy anthology TV series dedicated to the topic. Some A-list beefs seem destined to happen—such as the clash between Nicki Minaj and Cardi B, or the rivalry between Jef Holm and Arie Luyendyk Jr.—but others seem to spring up out of nowhere. Freddie Prinze Jr., for instance, had a shocking revelation in July 2014 when he called Kiefer Sutherland, his former costar from 24, ‘the most unprofessional dude in the world.’ George Clooney also revealed that Russell Crowe once apologized to him for ‘insulting the s— out of [him],’ although the Catch-22 actor dismissed Crowe’s claims of being misquoted with a ‘Yeah, whatever’ attitude. Yet, these disputes aren’t even the most surprising celebrity feuds. The 2019 comedy ‘Poms’ sparked a verbal war between actresses Angelica Huston and Jacki Weaver, while Ariana Grande clashed with Piers Morgan after he criticized Ellen DeGeneres and Little Mix online. These conflicts and more unexpected celebrity feuds have left the public in shock.