Katy Perry - 'Firework' (Live Performance)

10 June 2012, 17:07 | Updated: 11 June 2012, 10:52

Watch Katy Perry performing worldwide smash hit 'Firework' at the Summertime Ball 2012 at Wembley Stadium.

The song was originally released in in October 2010 and produced by Stargate, who has previously collaborated with Ellie Goudling.

Praised by critics as a self-empowerment anthem, 'Firework's' uplifting chorus made it a firm live favourite with Katy's fans.

The song went straight in at number one on the US Billboard Hot 100 and also become a hit on the Vodafone Big Top 40.

You can watch Katy Perry performing 'Firework' at the Summertime Ball at London's Wembley Stadium below and scroll down for more of Katy Perry's performance footage from the Summertime Ball 2012.