This is the cover of the next single by Katy Perry, who are "NA. ', A subject that is included in his latest study paper'Teenage dream'.
The 26-year-old singer wrote on her Facebook that “the video and the remix of the song are ready very soon«.
Katy will perform at the Grammy Awards on February 13, and her participation in this year's Rock in Rio was also confirmed, along with Rihanna and Elton Jhon.
Watch the video for «Firework»