Rita Ora And Kelly Clarkson For The X Factor Final

Rita Ora andKelly Clarksonhave been added to the line-up for this weekend's final of One Direction, Rihanna, Kylie Minogue and Emeli Sandé.

Kelly is to perform on Saturday evening with Kylie and Rita - while the other acts will sing on the results show on Sunday.

But none of the special guests will be performing with the finalists this year. Instead the last three contestants will duet with their mentors.

We told you this morning how new judge Nicole Scherzinger is reported to have suggested that she might quit the show.

THE X FACTOR IS BACK FOR 2012! CHECK OUT PICS HERE