Loni Anderson 's cause of death has been announced three weeks after her death at age 79. The WKRP in Cincinnati actress died from metastatic uterine leiomyosarcoma on Aug. 3, according to a death certificate published by TMZ. No underlying conditions or contributing factors were listed.

Loni Anderson, twice Emmy-nominated star of WKRP in Cincinnati, died of a rare form of cancer, according to a death certificate obtained by TMZ.