Kelly made a royal mess of his co-headlining tour with Jay-Z in 2004. Bickering and jealousy led to many canceled dates and messy moments onstage, none messier than his set at Madison Square Garden on October 29, 2004. In the middle of his show, Kelly ran from the stage, claiming his life was in jeopardy and that audience members were pointing guns at him (Jay-Z later called the supposed gun sightings a publicity stunt). Kelly then engaged in a scuffle with a member of Jay-Z’s entourage and received a face full of pepper spray. —Jeff Royer
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