Former American Idol star Mandisa Lynn Hundley tragically passed away in April at only 47 years old. On Tuesday, June 4, the medical examiner’s report revealed her cause of death was “natural” due to complications from “stage III obesity.” The singer — who went mononymously by Mandisa — was found dead in her Tennessee home on Thursday, April 18. “At this time we do not know the cause of death or any further details,” her rep wrote in a statement at the time. “We ask for your prayers for her family and close knit circle of friends during this incredibly difficult time.” The statement continued:…