Britney Spears blames exes Justin Timberlake and Kevin Federline for sending her life into chaos.

In what is being billed as an "explosive tell-all documentary", the singer reveals that the painful splits from Justin and K-Fed were to blame for her breakdown last year.

In Britney: For The Record documentary Britney Spears tells the cameras: "When Justin was gone, I was like, 'What am I supposed to do with myself?' With Kevin... when it ended... I just felt so alone. I just ran."

 

While in London, Britney made a much-hyped appearance at a London nightclub's birthday party - only to blow out the candles on the birthday cake and then disappear without comment. 

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