USA Today said the rock 'n' roll icon's ex-wife, Priscilla, and only child surprised thousands of fans who gathered at Graceland Wednesday night to light candles and lay flowers on the singer's grave.
Elvis Presley died at home of a heart attack Aug. 16, 1977 after battling an addiction to prescription drugs. He was 42.
Notable deaths of 2014 [PHOTOS]
Jason Aldean to extend Burn It Down Tour