SAD NEWS! KANDI'S EX-FIANCE AJ DIED LAST NIGHT!

The ex-fiance of Kandi Burruss -- who stars on "Real Housewives of Atlanta" -- died tonight after a brawl erupted at a club in Atlanta.
Cops say A.J. Jewell suffered severe head injuries during the fight at Body Tap and was rushed to Piedmont Hospital, where he later died ... this according to myfoxatlanta.com.

Cops currently have no suspects in custody.