Katy Perry performs "Firework" at the People's Choice Awards 2011
Katy Perry performs "Firework" live at Salute the Troops
Katy Perry performs "Firework" at BBC Radio 1's Teen Awards
Katy Perry performs "Firework" live on X Factor in the U.K.
Katy Perry performs "Firework" at the People's Choice Awards 2011
Katy Perry performs "Firework" live at Salute the Troops
Katy Perry performs "Firework" at BBC Radio 1's Teen Awards
Katy Perry performs "Firework" live on X Factor in the U.K.
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