Guy Theodore Sebastian (born 26 October 1981) is an Australian pop

Pop music

Pop music is usually understood to be commercially recorded music, often oriented toward a youth market, usually consisting of relatively short, simple songs utilizing technological innovations to produce new variations on existing themes.- Definitions :David Hatch and Stephen Millward define pop...

, R&B

Contemporary R&B

Contemporary R&B is a music genre that combines elements of hip hop, soul, R&B and funk.Although the abbreviation “R&B” originates from traditional rhythm and blues music, today the term R&B is most often used to describe a style of African American music originating after the demise of disco in...

, and soul

Soul music

Soul music is a music genre originating in the United States combining elements of gospel music and rhythm and blues. According to the Rock and Roll Hall of Fame, soul is "music that arose out of the black experience in America through the transmutation of gospel and rhythm & blues into a form of...

 singer-songwriter who was the first winner of Australian Idol

Australian Idol

Australian Idol is a Logie Award-winning Australian singing competition, which began its first season on July 2003 and ended its run in November 2009. As part of the Idol franchise, Australian Idol originated from the reality program Pop Idol, which was created by British entertainment executive...

in 2003. He is currently a judge on the Australian version of The X Factor

The X Factor (Australia season 2)

The X Factor is an Australian television reality music competition, based on the original UK series, to find new singing talent. The 2010 season premiered on 30 August 2010 and was won by Altiyan Childs on 22 November 2010. Ronan Keating emerged as the winning mentor of the series...

. Sebastian has released six top ten platinum/multi platinum albums, including a number-one and number-two. He has also released 11 top 15 singles, with eight reaching the top ten, including five number-ones.