Wednesday Mar 07, 2007 2:00pm EST
Britney Spears's family is pulling together to support the singer, who last month entered Promises rehab facility in Malibu, Calif., PEOPLE reports in its upcoming issue.
Her estranged husband, Kevin Federline, along with his mother and Spears's mom Lynne, have forged closer ties while they care for the couple's sons, Sean Preston, 18 months, and Jayden James, 6 months