Hellow guys, Welcome to my website, and you are watching Katy Perry - Firework - Live in London O2 Arena , United Kingdom 15.10.2011 Full HD. and this vIdeo is uploaded by LiveHDTV at 2011-10-15T20:54:34-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.