NEWS OF THE WEEK: Lisa Marie Presley to be honoured with public memorial service at Graceland

Following her death the family announced fans will be able to pay tribute to Lisa Marie at a service held at her late father's Graceland mansion. Although Lisa's official cause of death is still unknown, the Presley family has a history of heart disease dating back generations. Lisa's dad died at age 42 due to cardiac arrhythmia with ventricular fibrillation. The King of Rock and Roll's mother Gladys died at age 46 of heart failure, while his grandfather Vernon died following a cardiac arrest at 63.