Britney Spears works with will.i.am

Britney Spears has teamed up with will.i.am on her new album.

Posting on her Facebook, the singer wrote: 'In the studio with will.i.am...you guys are gonna love this one. -Britney'.

The track is expected to be on Britney's forthcoming album 'Femme Fatale', which is due out on March 29th.