Pop Queen Whitney Houston dies at 48.

According to police Houston was pronounced dead Saturday afternoon in her room on the fourth floor of the Beverly Hilton.  She had been planning to attend a party that night at the Hilton.  Beverly Hills police Lt. Mark Rosen, told KCBS "There were no obvious signs of any criminal intent."  An autopsy is set to begin Sunday.  For more information on Whitney Houston's death, go to www.cbsnews.com.