Katy Perry takes the stage at the 2015 Rock in Rio festival September 27 in Rio de Janeiro, Brazil. Setlist: Roar / Part of Me / Wide Awake / Dark Horse / E.T. / Legendary Lovers / I Kissed a Girl / Hot N Cold / International Smile (With "Vogue" snippet by Madonna) / By the Grace of God / The One That Got Away / Thinking of You / Unconditionally / Walking on Air / This Is How We Do / Last Friday Night (T.G.I.F.) / Teenage Dream / California Gurls / Firework

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Katy Perry