Police Called as Britney Spears Refuses to Turn Over Children  —  Britney Spears is defying court-mandated custody hours by refusing to turn over her sons to ex-husband Kevin Federline.  —  The pop star was due to turn over Sean Preston, 2, and Jayden James, 1, at 7 p.m. PST.

More Cops, Ambulance Now at Spears' House!  —  UPDATE: Another ambulance, more fire trucks and several additional police cars have just rolled up to Britney's house.  One person on the ground described the situation to us as “scary."  —  Holy Kramer vs. Kramer!

Breaking: Tearful Brit Hospitalized After Police Standoff!  —  UPDATES: Britney arrived at Cedars-Sinai Medical Center at approximately 12:30am PT. “She was sobbing as she was taken out of her house on a gurney,” a witness tells OK!.  When she arrived at the hospital, she had managed …

Cops, Lawyers and Paramedics at Britney's House  —  Update: Paramedics arrived on the scene and rolled a gurney into Spears' house.  Sources are now revealing to PageSix.com that “someone is being transferred to the hospital for a mental evaluation."  An ambulance has just pulled into the driveway.

VIDEO: Watch Britney Spears Being Wheeled on a Stretcher  —  Around 11 p.m. Thursday, a reportedly intoxicated Britney Spears was rushed via ambulance to L.A.'s Cedars-Sinai Medical Center after she defied court-mandated visitation hours Thursday night by refusing to turn over her two sons to ex-husband Kevin Federline.

Police: Britney Being Taken for ‘An Evaluation’  —  Britney Spears is being taken for “an evaluation” after police were called to her Studio City home for a “custodial dispute” Thursday, according to police.  —  At around 8 p.m. police responded to a call “about a custodial dispute regarding …

Britney Spears on Suicide Watch  —  Britney Spears was admitted to Cedars Sinai hospital in L.A. early this morning following a dramatic evening in which cops were called to her home after she refused to hand her two sons back to her ex-husband Kevin Federline.

Brit's Kids Are Safe, She's Under the Influence!  —  TMZ has learned Sean Preston and Jayden James were turned back over K-Fed tonight just before 11:00 PM PT.  —  We're told that while cops were at the troubled pop star's home, they discovered Spears “under the influence of an unknown substance.”

Britney Is At Cedars Senai Medical Center and Has Lost “Tremendous Amount of Weight Due To Stress & Mental Anguish”

Britney Spears' Son Released from Hospital to Kevin Federline  —  Sources tell Usmagazine.com that Britney Spears' son, Jayden James, was released from L.A's Cedars-Sinai Medical Center shortly after 4 a.m. PST Friday.  —  He was with Kevin Federline's bodyguard.  Their car was being followed by the paparazzi at 4:15 a.m.

Britney Spears taken to hospital for tests  —  LOS ANGELES, California (CNN) — Pop star Britney Spears was taken to hospital for tests to see if she was under the influence of alcohol or drugs and for a psychological evaluation after police were called to her home Thursday night to mediate a custody dispute, a police spokesman said.

Jayden Taken to the Hospital Too  —  Two ambulances left Britney's house bound for Cedars-Sinai — one transporting Britney, the other had two-year-old Jayden James in it!  —  A car carrying Jayden's older brother Sean arrived at K-Fed's home a short time later.  No word on what Jayden was being treated for.