Singer Keyshia Cole, 39, and her loved ones are in mourning following the tragic death of her mother, Frankie Lons. Keyshia’s brother Sam confirmed to TMZ that Frankie died of a drug overdose at her Oakland, California home on Sunday, July 18, which was her 61st birthday. Frankie was celebrating her birthday at the residence when she took the drugs after decades of struggling with addiction, Sam told TMZ.