Britney keeps a low profile

Britney Spears has been keeping a low profile since leaving rehab earlier this week. The popstar has been spending time at home and visiting with ex Kevin Federline and her two boys. "She is going to lay low," says a friend. "She's taking care of herself." Of the album Spears was working on in the months leading up to her stay at Promises, R&B star Ne-Yo - who was lined up to collaborate - told