Katy Perry performs Hot N Cold, Part of Me, and Firework at the Capital FM Summertime Ball at Wembley Stadium on June 9, 2012. Uploaded these vids since I couldn't find some songs from this set on YouTube and I've always loved this special POP ART themed performance!

California Gurls:    • Katy Perry - California Gurls (Best o...  

Special thanks to Danixcat on ShareMania for this archived performance (http://sharemania.us/members/danixat.....
(Wide Awake and California Gurls were removed for copyright reasons, Teenage Dream, Last Friday Night, and We Are The Champions were not released online)