Take a listen to the new track Katy Perry premiered last night at her 2013 iTunes Festival performance, “By The Grace of God“! Katy was the closing act of the month long festival brought to us by iTunes, that took place at the world famous, steam engine repair shed turn music venue, The Round House in London, England. Now Katy Perry wasn’t the only one to hit the stage last night in London, we also got the joy of watching our favorite girls Icona Pop & our fav Aussie at the moment Iggy Azalea!

Watch Katy Perry’s full close out show for the month long iTunes Festival on iTunes here —> Smarturl.it/KPiTunesFest

Icona Pop here –> Smarturl.it/IPiTunesFest   Iggy Azalea here –> Smarturl.it/IAiTunesFest

Download “Roar,” “Walking On Air,” “Dark Horse,” and pre-order Prism out 10.22.13 on iTunes: Smarturl.it/PRISM

Watch the performance below of “By The Grace of God” at the 2013 iTunes Festival below.


The full 2013 iTunes Festival line up:

itunes festival 2013 lineup

Photos From the 2013 iTunes Festival of Katy Perry, Icona Pop, & Iggy Azalea [via iTunes]: