The whole world watched last week as Britney Spears, locked inside her home with her youngest child, left even the most faithful fan questioning her ability to be a good parent to her two young boys, Sean Preston, 2, and 1-year-old Jayden James.

But only weeks earlier, it was a very different Brit that sat with her adorable little lads for the lens of photographer Dani Brubaker to shoot pictures you’ll only see in the pages of the new OK!.

“She was very loving,” Brubaker recalls. “She told me she loved her children and that they are her life." And far from being the neglectful parent some would portray her as, the photographer tells OK! that Brit was "very attentive" to the needs of her sons.

As for the 26-year-old singer’s reaction to the shots of her with her sons, Brubaker reveals, “I’m told that when she saw the photographs she literally cried for over an hour and stared at them all night long.”

So if merely looking at photos of her children has Britney in tears, that would explain why, according to a friend of the singer, the young mom is “inconsolable” right now as the chance of her winning the custody battle for her children looks increasingly slim. “Those boys are her everything, and she’s said repeatedly that life isn’t worth living if she can’t have her babies with her,” says the friend.

The friend adds that Britney would say goodbye to the music business to look after her boys. “The only reason she’s doing this is because she wants them to look up to her onstage and be like, ‘That’s my mama,’ and be proud of her. She’d put her life before them and die for Jayden and Preston. They’re her whole world.”

Reveals the friend, "“Britney has always said, ‘I would die for my boys if that’s what it took to prove I loved them. I’d do anything for them.’ ”

To see the photographs for yourself and to learn even more about Britney’s private moments with her boys, pick up the new issue of OK! — on newsstands Thursday.

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