Twilight star, Gregory Tyree Boyce and his Nigerian girlfriend Natalie Adepoju died after taking cocaine and fentanyl, a Las Vegas coroner has revealed. Both of them were found dead next to white powdery substance inside the bedroom of their Las Vegas home by their roommate, Louis Ledbetter, on May 13. The American actor, 30, and his girlfriend, Natalie, 28, were “deceased for some time” when their roommate Louis Ledbetter found them “beyond help” in the bedroom of their Las Vegas …