Britney Spears "Devastated" by Justin Timberlake Split

In Britney Spears' MTV documentary (which aired Sunday), Britney: For the Record, the pop singer revealed her feelings on her 2002 split from Justin Timberlake."With Justin, he was part of the magnitude of what I had become," Spears said. "So when he was gone I was like, 'what am I supposed to do with myself?'"Added Spears: "[Timberlake] started to do an album for himself and he started to do