Katy Perry has unveiled the teaser trailer for her new single Roar.
The teaser aired during last night’s MTV VMAs, where Perry also put on a stellar performance of the track under the Brooklyn Bridge.
Check out the teaser below, and click the iTunes logo to download the single now http://clkuk.tradedoubler.com/click?p=23708&a=2304291&url=https%3A%2F%2Fitunes.apple.com%2Fgb%2Falbum%2Froar-single%2Fid685978845%3Fuo%3D4%26partnerId%3D2003
