Feels Calvin Harris feat. Pharrell, Katy Perry Download 'Feels' on iTunes
Britney Spears producer Dr Luke has teased another new song from 'Femme Fatale'.
The producer Tweeted 'should I tease another song??'
Before posting a link to a new track 'I Wanna Go' with the information 'Max Martin and Shellback produced'.
Listen to the 23 second clip here