No duet for Madonna and Britney - that's official

Madonna has finally killed off rumours she and Britney Spears were to duet.

Britney said at last month's Rock in Rio festival they would work together.

Madonna's assistant, Liz Rosenberg says a discussion did take place between the two stars' representatives but nothing came of it.

Madonna will release What It Feels Like For A Girl, the third single from her album Music, during March.

The video for the track will be directed by her husband Guy Ritchie.