Cheryl Cole was Cher Lloyd's mentor on The X Factor.
Rihanna was never on the X Factor.
Her mentor was Cheryl Cole.
Her mentor was Simon Cowell.
Her mentor was Kelly Rowland.
Louis Walsh.
Louis Walsh
They were on a show called the X-Factor in which their mentor was Simon Cowell. :)
Yes, she is a judge/mentor.
Simon Cowell.
Dannii Minogue.
Simon Cowell