Katy Perry keeps the ball rolling with ‘Firework’, the third single to be lifted from her sophomore effort ‘Teenage Dream’. The big-budget affair was financed by European communications giant Deutsche Telekom – who hosted a series of competitions for fans to win the opportunity to feature in the video.

Peep the clip, which premièred a few moments ago, below…

Cracking stuff.

[polldaddy poll=3999982]