Last month "Twilight" fans were stunned after actor Gregory Boyce was found dead, along with his girlfriend, inside their Las Vegas condo [click
here if you missed that].
The cause of death has been revealed....
According to the Clark County Coroner Gregory Boyce and Natalie Adepoju both died of a drug overdose after ingesting cocaine and fentanyl.
Boyce was 30 and Adepoju 27.