Name	Known for
Jason Dundas Self - Host Self - Host See fewer	Fool's Gold (I) (2008)
Adam Lambert Self - Judge Self - Judge See fewer	2012 (I) (2009)
Iggy Azalea Self - Judge Self - Judge See fewer	Furious 7 (2015)
Guy Sebastian Self - Judge Self - Judge See fewer	Australian Idol (2003)
Mel B Self - Judge (as Melanie Brown) Self - Judge (as Melanie Brown) See fewer	Spice World (1997)
Beatz Themselves - Contestants Themselves - Contestants See fewer	The X Factor (2005)
Brentwood Themselves - Contestants Themselves - Contestants See fewer	The X Factor (2005)
Disturbed Themselves - Performers Themselves - Performers See fewer	Transformers (2007)
Isaiah Firebrace Self - Contestant (as Isaiah Firebace) Self - Contestant (as Isaiah Firebace) See fewer	Get Krack!n (2017)
Amalia Foy Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Dami Im Self - Performer Self - Performer See fewer	Love Child (2014)
Chynna Taylor Self - Contestant Self - Contestant See fewer	The Voice (2012)
Vlado Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Davey Woder Self - Contestant Self - Contestant See fewer	The X Factor (2005)