George Michael dead: Celebrities express grief, pay tribute on Twitter

Grammy Award-winning pop singer George Michael, born in London on June 25, 1963 passed away over Christmas. He was only 53. He commenced his career with the band called '

Wham!

'

Michael was the lead vocalist and songwriter and emerged as the star of the band. Ironically, one of his most memorable hits till date remains the song 'Last Christmas'. The track is a festive classic released in 1984. It won over the hearts of the world and is played every year at Christmas time.

Michael later went solo in 1986. The artist who gave various chartbusters also performed at the 2012 Summer Olympic Games.

Renowned and eminent personalities have taken to Twitter to express their grief and shock on Michael's passing.