- Source of Wealth: Music
- Age: 38
- Birth Place: Klang, Selangor, Malaysia
- Height: 5′ 9″ (1.75 m)
- Marital Status: Married (Jules Egan)
- Full Name: Guy Theodore Sebastian
- Nationality: Australian
- Date of Birth: October 26, 1981
- Ethnicity: Portuguese, English, Sri Lankan Tamils
- Occupation: Singer, Songwriter
- Education: University of Adelaide’s Elder School of Music
- Children: 2 (Hudson James, Archer)
This Australian singer-songwriter was declared as the first grand winner of the Australian Idol in 2003. His current net worth is estimated at $10 million. Through the short span of time that he is into the music industry, Guy Sebastian has already released 7 top 10 music albums. Six of these albums have reached top five including the No.1 Spot.
His fame has actually reached New Zealand and the USA. His collaboration with Lupe Fiasco earned him a No.73 spot on the Billboard Hot 100 Chart USA. Since 2010, Guy Sebastian has been a judge in The X Factor Australia.