The Los Angeles County coroner's office has determined Whitney Houston's cause of death.
The Los Angeles County coroner's office has revealed that Whitney Houston's official cause of death is: "drowning and the effects of atherosclerotic heart disease and cocaine use."
According to USAToday.com, the beloved singer's death has been ruled an accident.
Houston was found underwater in the bathtub of her Beverly Hilton Hotel room on February 11, several hours before a pre-Grammy party.
"Cocaine and metabolites were identified and were contributory to the death," adds the report. "Marijuana, Alprazolam (Xanax), Cyclobenzaprine (Flexeril) and Diphenhydramine (Benadryl) were identified but did not contribute to the death."
Various prescription pill bottles were found in Whitney Houston's hotel room at the time of her death. Houston was 48.