Katy Perry - 'Teenage Dream' (Live Performance)

10 June 2012, 11:53 | Updated: 11 June 2012, 11:04

Katy Perry performed 'Teenage Dream' during her set at Capital's Summertime Ball in London.

The song is the title track from her second album 'Teenage Dream' and was released in 2010 as the LP's second single.

Produced by Katy's longtime collaborators Dr Luke and Max Martin, the singer said writing the song was "a very pure moment for me".

Watch Katy Performing 'Teenage Dream' during her Summertime Ball performance below and scroll down for more of Katy Perry's performance footage from the Summertime Ball 2012.