Georgios Kyriacos Panayiotou (Greek pronunciation: [ʝeˈorʝos kiriˈakos panaʝiˈotu]; 25 June 1963 – 25 December 2016), known professionally as George Michael, was an English singer, songwriter, record producer, and philanthropist who rose to fame as a member of the music duo Wham! He was best known for his work in the 1980s and 1990s, including hit singles such as "Wake Me Up Before You Go-Go" and "Last Christmas", and albums such as Faith (1987) and Listen Without Prejudice Vol. 1 (1990).