Brittany Murphy's husband doesn't want autopsy. So what happened?

brittany-murphy-simon-monjack.jpgSad, sad news Sunday (Dec. 20) about the sudden death of adorable, giggly and squeaky-voiced actress Brittany Murphy.

First reports were that she died this morning of cardiac arrest. But new information indicates that may not have been the cause.

And now TMZ is reporting that her husband Simon Monjack doesn't want an autopsy performed, although one will be conducted on Monday anyway.

What on earth happened? She was only 32!