Britney's Heartbreak! Tragic Final Moments Of Spears BFF Revealed

The sudden death of Britney Spears's longtime BFF & choreographer, Andre Fuentes, sent shockwaves through the dance community today! And only RadarOnline.com has details of his final moments.

According to a source close to Fuentes, "Andre went off the RadarOnline.com for a day or two this week, and his friends started to worry."

"They went to his apartment building in L.A.," the insider continued. "After talking to his apartment manager, who had not seen him either, they decided to enter his place to make sure he was okay."

"As soon as they entered, they found him dead on his couch," the insider told RadarOnline.com.

As fans of the 35-year-old pop princess know, Fuentes choreographed and danced with Spears in several of her most popular music videos, including "Sometimes," "I'm A Slave 4 U" & "Crazy."

In addition to Spears, Fuentes also worked with such greats as Beyonce, No Doubt, Madonna, Michael Jackson and Prince.

As previously reported, Fuentes attended Prince's L.A. Memorial just two weeks ago and shared a photo on his Instagram with a caption that said, "Such a beautiful memorial tonight honoring the life and genius of Prince!"