OK Magazine: Britney Spears seemed to be taking her impending divorce in stride, showing off a big smile and her newly svelte figure in New York City last week. But turmoil was about to brew. When estranged husband Kevin Federline counterfiled on the divorce proceedings, he also asked for sole legal and physical custody of their two children, Sean Preston, 1, and 2-month-old Jayden James. Now Britney is seeking support from an old friend, Justin Timberlake! ¡°The only man she has ever totally trusted was Justin,¡± a family friend tells OK!. ¡°She loved him in a pure, almost childlike way.¡± Should Justin¡¯s current squeeze, Cameron Diaz, be worried? OK! has the answer.