Guy Sebastian

Guy Theodore Sebastian (born 26 October 1981) is an Australian singer, songwriter, and record producer who rose to fame after winning the first season of Australian Idol in 2003. He is the only Australian male artist in Australian chart history to achieve six number-one singles, placing third overall among all Australian acts. In total, he has achieved eleven top-ten albums and twenty-three top-twenty singles in Australia, accumulating over six million combined album and single sales.

Sebastian was born in Klang, Selangor, Malaysia. His father, Ivan, is of Sri Lankan Tamil descent, and his mother, Nellie, is an ethnic Eurasian with English and Indian ancestry. The second of four sons, Sebastian moved with his family to Melbourne at age six and later settled in Adelaide at age ten. As a child, he took violin lessons and later learned guitar, drums, and piano without formal training. After attending St Paul's College and King's Baptist Grammar School, he studied medical radiation at the University of South Australia before leaving to pursue music. He worked as a vocal teacher, recording engineer, and worship singer while studying music technology at the University of Adelaide's Elder Conservatorium.

In 2003, Sebastian won Australian Idol and signed with BMG. His winner's single, "Angels Brought Me Here," debuted at number one and became the highest-selling song in Australia for the decade spanning 2000 to 2009. His debut album, Just as I Am, was released in December 2003, reaching number one and nearly 7× platinum status, becoming the highest-selling album ever released by an Australian Idol contestant. He subsequently represented Australia on World Idol, finishing seventh.

Sebastian's subsequent releases included Beautiful Life in 2004 and Closer to the Sun in 2006, both of which achieved top-four chart positions and platinum certifications in Australia. In 2007, he recorded The Memphis Album in Tennessee alongside Stax musicians, including Steve Cropper and members of Booker T. & the M.G.'s. The soul tribute record achieved double platinum status and led to a national tour with the M.G.'s serving as his backing band.

Abroad, Sebastian achieved chart success with his Lupe Fiasco collaboration, "Battle Scars," which spent 20 weeks on the US Billboard Hot 100 chart and earned 3× platinum certification. In 2015, he represented Australia in its debut at the Eurovision Song Contest, finishing fifth with the song "Tonight Again." He also expanded into television, serving as a judge on Australia's The X Factor across multiple seasons and as a coach on The Voice Australia from 2019 to 2024.

Over his career, Sebastian has received 34 ARIA Award nominations and won seven. He has performed for prominent figures including Queen Elizabeth II, Pope Benedict XVI, and Oprah Winfrey. A former ambassador for World Vision Australia and the Australian Red Cross, he co-established The Sebastian Foundation with his spouse, Jules. Sebastian was made a Member of the Order of Australia (AM) in 2019 and was inducted into the South Australian Music Hall of Fame in 2024.