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Britney Spears has teamed up with Blink 182's drummer Travis Barker on 'Femme Fatale'.
Producer Rodney Jerkins said: 'I did two songs (for the album)
'One of them is really out of the box. It has a rock feel and we brought Travis Barker to play on it'.
'Femme Fatale' is out on March 28th.