A dancer from Vancouver, B.C. who worked with Beyonce, Britney Spears, Janet Jackson others was killed Monday morning in an apparent murder-suicide in Los Angeles.

Stephanie Moseley and her husband, rapper Earl Hayes, were found shot to death at an apartment around 7:30 a.m., according to the Los Angeles Police Department.

Investigators believe Hayes killed Moseley then turned the gun on himself. According to TMZ, boxer Floyd Mayweather witnessed the incident while speaking with Hayes over FaceTime.

Moseley was 31 years old and Hayes was 34.

Tye Shantz, a friend of Moseley's when she lived in Canada, told CTV News he'll miss her immensely.

"She was an amazing person here, but she was an amazing person down there. She did so much," he said. "When you lose somebody, you're going to miss everything. I'm going to miss seeing what she was doing next."

According to Moseley’s official website, she graduated from a number of B.C. dance schools, including Pacific Dance Arts, Kirkwood Academy and Danzmode Productions then moved to L.A. in 2004.

Apart from touring with major pop stars, she appeared in a number of movies and TV series, including "The Twilight Saga: Breaking Dawn," "Idlewild," CTV’s “Once Upon and Time” and VH1’s “Hit the Floor.”

Chris Brown, who also toured with Moseley, posted a photo with her on Instagram hours after the shooting and described her as “always the coolest person.”

“My prayers go out to you,” Brown said.