Not all celebrities get along like peanut butter and jelly, milk and cookies, Taylor Swift and Selena Gomez.
Over the past few years, feuds have broken out in Hollywood over mental health issues; late night talk show skits; and Kim Kardashian sex tape parodies.
Who won each of these rivalries? The public, really. They were darn entertaining!
Click around below to relive the back-and-forth between Kathy and Dami, David and Bristol, Kanye and Kimmel and many other famous folks who simply don't see eye-to-eye: