Source: Prince had 'not looked well' for the last year

New details have emerged in the untimely death of one of the world's greatest musicians, Prince Sources have told E! that the Grammy winner's energy levels were "off" and that he had "not looked well" for the last year The source also said that he had been taking Percocet to deal with discomfort stemming from a bad hip On Friday, a Sheriff said that there was no reason to believe the pop star's death was a suicide