The Associated Press Twitter account reports that Whitney Houston has died at age 48, as confirmed by her publicist. The cause of death has not been determined.

UPDATE: TMZ says Houston died at the Beverly Hilton Hotel, where they spotted a police crime lab.

UPDATE #2: TMZ now has more information about Houston's death.

We're told police arrived to the scene within minutes and fire was already there on another call. According to our sources, paramedics performed CPR but it did not work and she was pronounced dead at 3:55 PM.

Our sources say there were no signs of foul play. We're told she was ID'ed by family and friends.

Reports that Ray J found Houston's body have been discredited.

UPDATE #3: Various sources have confirmed that Houston's bodyguard found her in her Beverly Hilton hotel room.

[Image via AP]