VIDEO : Madonna Spanks Diplo Onstage as World Tour Kicks Off

Madonna marked the launch of her Rebel Heart world tour by bringing DJ Diplo onstage to spank him during a risque section of the show on Wednesday night. The music producer opened the event in Montreal, Canada before Madonna took to the stage, but she brought him back on again for her penultimate song, ?Unapologetic Bitch, which they collaborated on.