Madonna and Kylie Minogue sing a duet on the "Celebration" tour. The two pop stars sang Gloria Gaynor's classic "I Will Survive" Madonna wore a cowboy hat and leather jacket, while Minogue referenced her 2000 performance in a black T-shirt emblazoned with the words "Madonna" The two singers also sang Kylie's biggest hit, "Can't Get You Out Of My Head", together, supported with powerful voices by the Californian audience.