9:30 AM PT -- Toni Braxton took to Instagram and penned a heartfelt message saying ... "It is with the utmost regret that we inform you of the passing of our sister, Traci. Needless to say, she was a bright light, a wonderful daughter, an amazing sister, a loving mother, wife, grandmother and a respected performer. We will miss her dearly."
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Traci's Husband Kevin Surratt tells TMZ ... "We have come to a time where we must inform the public that after a year of privately undergoing a series of treatment for Esophageal cancer our beloved Traci Braxton has gone on to glory."
We're told Traci's sisters, mom and friends were by her side when she passed.
Traci appeared on the family's reality show, "Braxton Family Values." She was an actress, best known for "Sinners Wanted." She also appeared in "There's a Stranger in my House" and "Chaaw." She recorded a hit song, "Last Call," that rose to #16 on the Billboard Hot 100. She also recorded "Broken Things" featuring her sisters, Toni, Towanda and Trina.