R.I.P. Teena Marie, Found Dead in her Sleep

Grammy nominated singer Teena Marie -- once known as Rick James' protégée -- died in her sleep last night at the age of 54 ... TMZ has confirmed with Teena's rep Lynn Jeter.

Teena Marie Dead

So far it's unclear what caused the singer's death.

This is definitely a blow to the music industry.  Teena Marie had some of the most incredible music.  Her vocal strength was nearly unmatched.  There will never be another like her.