George Michael of pop duo Wham! photographed in Sydney, Australia in 1985.

George Michael poses at home with his cat after losing his voice and being forced to cancel a number of live shows in London in 1980.

George Michael & Andrew Ridgely of WHAM!

George Michael of Wham! photographed in Sydney, Australia in Jan., 1985.

George Michael and Andrew Ridgeley of pop group Wham! during a live performance.

George Michael, Bono, Paul McCartney, Freddie Mercury and Bob Geldof perform on stage during the Live Aid concert at Wembley Stadium on July 12, 1985 in London, England.

George Michael in Sydney, Australia in 1985.

George Michael on stage in 1988.

George Michael photographed in London in 1987.

George Michael performs on stage during the Faith Tour in Rotterdam, Netherlands on April 12, 1988.

George Michael with girlfriend Kathy Yeung on a train looking at fans through the window in Japan in March, 1988.

George Michael performs on stage in Japan in March, 1988.

George Michael appearing in front of photographers at a press conference in Japan in March, 1988.

George Michael and Elton John at the Gianni Versace 'Men Without Ties' launch party in London on June 15, 1995.

George Michael performs with Stevie Wonder at the 4th annual VH-1 Honors Awards on April 10, 1997.

George Michael and Garth Brooks during Equality Rocks Concert at RFK Stadium on April 29, 2000.

George Michael and Paul McCartney performing live onstage at Live 8 in 2005.

George Michael in concert at the LG Arena in Birmingham, Britain on Sept. 16, 2012.

George Michael performs during the Closing Ceremony on Day 16 of the London 2012 Olympic Games at Olympic Stadium on Aug. 12, 2012 in London, England.

Adele hugs presenter singer George Michael as she accepts the British Album of the Year award for her album "21" at the BRIT Awards 2012 in London on Feb. 21, 2012.

George Michael performs during the Closing Ceremony on Day 16 of the London 2012 Olympic Games at Olympic Stadium on Aug. 12, 2012 in London, England.