Twilight star Gregory Tyree Boyce and his girlfriend have been found dead in their condo in Las Vegas.

The Las Vegas Medical Examiner’s office confirmed that Boyce, 30, and 27-year-old Natalie Adepoju, were found dead on May 13. The cause of the couple’s deaths have not been revealed.Sources told TMZ that an unknown white powdery substance was found at the scene, but this is unconfirmed by authorities.

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Boyce was known for his role as Tyler Crowley in the first Twilight franchise movie. His character almost hit Bella Swan, played by Kristen Stewart, with a car before she’s saved by Robert Pattinson’s character, Edward Cullen. He also appeared in the film short Apocalypse in 2018.

A source told E! News : ”Greg’s cousin woke up and noticed that Greg’s car was still at the house. He was worried because Greg was to be in LA. His cousin went to check on him and found them.”

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Prior to his death, the source said Boyce was ”really focused and handling a lot of business”. He moved to Las Vegas to help his mother, but Boyce would commute to Los Angeles for acting roles and to see his 10-year-old daughter, Alaya.

The couple was last featured together on Boyce’s Instagram page when he wished Adepoju, who has a son named Egypt, a Happy Mother’s Day.

Happy Mother’s Day again to my right hand/ my roll dog/ my Queen! Love you,” he wrote. Adepoju and Boyce have reportedly been together for just over a year.