Simon Cowell was mentoring One Direction in the 2010 series of X Factor.
Rihanna was never on the X Factor.
Her mentor was Kelly Rowland.
Dannii Minogue.
Diana Vickers Mentor was Cheryl Cole.A member from girls aloud.
Gareth Gates was a contestant on Pop Idol, not The X Factor. The contestants in Pop Idol didn't have mentors.
1d
Cheryl Cole was Cher Lloyd's mentor on The X Factor.
Rihanna was never on the X Factor.
Their mentor was Louis Walsh.
They came in 3rd place.
Her mentor was Simon Cowell.
Her mentor was Cheryl Cole.
Her mentor was Kelly Rowland.
Second (i think) <3 :P
They didn't win, One Direction finished in third place on The X Factor in 2010.
Louis Walsh.
Louis Walsh