Ronan Keating
Self - Judge (158 eps)
Dannii Minogue
Self - Judge (86 eps)
Mel B
Self - Judge (64 eps)
Chris Isaak
Self - Judge (20 eps)
James Blunt
Self - Judge (20 eps)
Iggy Azalea
Self - Judge (19 eps)
Jason Dundas
Self - Host (19 eps)
Adam Lambert
Self - Judge (19 eps)
DJ Havana Brown
Self (2 eps)
Rai Thistlethwayte
Self (2 eps)
Kelly Rowland
Self (1 eps)
Richard Branson
Self (1 eps)
Snoop Dogg
Self (1 eps)
Usher
Self (1 eps)
Keith Duffy
Self (1 eps)
Mikey Graham
Self (1 eps)
Harry Styles
Self (1 eps)
Louis Tomlinson
Self (1 eps)
Liam Payne
Self (1 eps)
Niall Horan
Self (1 eps)
Shane Lynch
Self (1 eps)
Bailey Spalding
Self (1 eps)
