The senior coroner in Oxfordshire says the late singer died of natural causes.
An autopsy found Michael died of dialated cardiomyopathy, with myocarditis and a fatty liver, ABC News confirms.
PHOTOS: George Michael through the years
Crossover singer George Michael breaks out in a big smile as he accepts one of his three American Music Awards during ceremonies Monday night, Jan. 31, 1989.AP
Pop singer George Michael displays his trophy after winning the 1989 Video "Vanguard Award" for his "Father Figure" video during the MTV Music Awards Wednesday, Sept. 6, 1989.AP
British singer George Michael poses for photo session prior to a press conference to promote his documentary film "George Michael, A differenct story," in 2005.AP
Sporting Caribbean tans, the pop duo Wham!, Andrew Ridgely, left, and George Michael appear at Heathrow Airport, London, after flying in from Miami, May 1, 1984.AP
Musician George Michael arrives at Brent magistrates court in London, in this June 8, 2007, file photo.AP
George Michael, left, is seen on stage with Ryan Seacrest at the season finale of American Idol on Wednesday May 21, 2008, in Los Angeles.AP
George Michael performs during his concert at the San Diego Sports Arena Tuesday June 17, 2008 in San Diego.AP
Singer George Michael performs during his "Live Global Tour" concert in Inglewood, Calif. on Wednesday, June 25, 2008.AP
British singer George Michael poses for the cameras at an event to announce his European Orchestral tour in London.AP
British singer George Michael performs in front of an audience of 11,000 people including Diana, the Princess of Wales to mark World AIDS Day on December 2, 1993.AP
George Michael, left, and Stevie Wonder perform "Living for the City" at the "4th annual VH1 Honors" Thursday night, April 10, 1997, in Universal City, Calif.AP
British singer George Michael at a photocall in central London, Thursday Sept.16, 1999 to promote a concert for refugees in Kosovo and Sudan.AP
British singer George Michael leaves Highbury Corner Magistrates Court in north London, Tuesday, Aug. 24, 2010.AP
British singer George Michael poses for the cameras at an event to announce his European Orchestral tour in London, Wednesday, May, 11, 2011. (AP Photo/Alastair Grant)AP
Singing great Aretha Franklin joins George Michael during his Faith World Tour in Auburn Hills, Mich., Aug. 30, 1988.AP
British singers George Michael, right, and Lisa Stansfield perform together on stage at the Freddie Mercury Tribute Concert at Wembley Arena, United Kingdom, on April 20, 1992.AP
Singer George Michael performs in Prague, Czech Republic, on Monday, Aug. 22, 2011.AP
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Michael, who rocketed to stardom with WHAM! and went on to enjoy a long and celebrated solo career died on Christmas Day in 2016.
He was known for a series of hits such as "Wake Me Up Before You Go-Go," ''Young Guns (Go For It)" and "Freedom."
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