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Ella Henderson sing Firework by Katy Perry

Concert Katy live

Las nuevas estrellas en el red, primero no soprendieron con un cover de Adele, ahora lo hacen con Fireworks de Katy Perry, Genial!!

Katy Perry Live Monterrey, NL (Fireworks)

Kids Choice Award 2011: Cancion Favorita - Firework (Katy Perry)

Kendall and Kylie Cover Katy Perry's Firework!

Katy Perry - California Gurls, Teenage Dream, Firework & E.T. featuring Kanye West

Katy Perry singing Firework live in Australia at the TV Week Logie Awards (Logies) - 1st May 2011

Official Music Video

This is a mash-up of Katy Perry's new single "Firework" with Mike Posner's new single "Please Don't Go"

Victoria's Secret Supermodels sing Katy Perry's Firework backstage at the 2010 Victoria¹s Secret Fashion Show.

Katy Perry with Firework on the EMA 2010! I don't have any rights on the video or audio! By:245302825

Official music video for Katy Perry's "Firework" off her album 'Teenage Dream' Get 'Teenage Dream' here: http://bit.ly/kpTDdelEX (explicit)...

The X Factor 2010: As if the excitement wasn't enough - US popstar Katy Perry takes to the stage to treat us to a performance of her brand new...

See Katy's 'Firework' video. Plus Kim K's dirty 30 bash, and more!