We now know how Whitney Houston died.

Her actual cause of death? According to the Los Angeles County Department of Coroner, the late icon died of accidental drowning and contributing effects of atherosclerotic heart disease and cocaine use.

An investigation insider tells TMZ that it is “very possible” Whitney had a heart attack which may have caused her to lose consciousness and drown. TMZ also states that a heart attack may have been caused by hardening of the arteries as a result of cocaine use.