These celebs weren't afraid to call out their co-stars. Welcome to MsMojo, and today we’re counting down our picks for the instances celebrities exposed their problematic co-stars. Our countdown includes Lucy Liu vs. Bill Murray, Casey Wilson vs. Tim Allen, Alexa Nikolas vs. Jamie Lynn Spears, and more! Have YOU heard any whispers about other celebs who deserve a place on this list? Let us know in the comments.

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#Celebs #Toxic #Stars #Scandals #Controversies