BRIT Awards 2014 Katy Perry performs live Dark Horse

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Katy Perry - Dark Horse (Live at The BRITs 2014)

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Grammy Awards 2014 Katy Perry Juicy J Dark Horse

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Katy Perry performs Live ROAR on Saturday Night Live 10122013

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Katy Perry Dark Horse Official Music Video Preview

Katy Perry Performs Live Roar at 2013 Grammy Nominations Concert

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Katy Perry ,Taylor Swift, Kesha and Christina Aguilera

Katy Perry Performs Wide Awake Live 2012

Katy Perry sings Yesterday

Grammys Awards 2015 -- Katy Perry Performs "By The Grace of God"

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Katy Perry in Red Carpet American Music Awards 2013

Katy Perry Previews '143' with Bru