Contostavlos was a judge on the eighth series of The X Factor.

She first came to prominence after winning the third series of The X Factor in 2006.

Minogue received much criticism during series 6 of The X Factor.

G4 auditioned for the first series of The X Factor in 2004.

Lloyd became famous when she finished fourth in the seventh series of The X Factor.

He finished third in the first series of The X Factor in 2004.

They were formed during the seventh series of The X Factor in 2010.

They finished third on the seventh series of The X Factor.

They rose to fame on the sixth series of The X Factor in 2009.

He later auditioned for the fifth series of The X Factor in 2008, but the judges didn't put him through.