News of the World reports Britney Spears has been trying to reunite with ex-husband Kevin Federline in a desperate bid to get K-Fed to drop his custody battle for Sean Preston and Jayden James, and has been in a jealous rage over news he’s begun dating Nicole Narain. “Britney’s bouncing off the walls with rage and has been calling Kev day and night to check he’s not with Nicole,” a source close to Kevin revealed. “She’s desperately jealous and wants to keep Kevin’s attention on her. She wants him back. She thinks by getting Kevin back he’ll drop the custody battle but that’s not going to happen.” The full story at notw.typepad.com has since been removed.