When you get the world’s biggest pop stars together in the same room, egos are bound to mix in unexpected ways. Broadcasting that live, a la the VMAs? You're just asking for fireworks.
As you prepare for what will undoubtedly be another eye-popping MTV Video Music Awards, look back at the 15 craziest, oh-no-they-didn’t moments in the award show's history. Kanye West may not steal Taylor Swift's thunder again this year, and Madonna (probably) won't kiss anyone, but we can only hope for unscripted moments as juicy as these.