Madonna was in Chile for a concert when she cussed out a small crowd at her sound check-- because they were smoking cigarettes around her.

That's when she stopped her performance and said: "There are people smoking right now. No smoking. If you're going to smoke cigarettes, I'm not doing a show. You don't care about me, I don't care about you. All right? Are we going to play that game? I'm not kidding. I can't sing if you smoke. Entiendes? You're looking right at me and smoking cigarettes, like I'm a stupid f---ing idiot."