Jessie J has confirmed that she will be performing her new single 'Who You Are' on this weekend's X Factor.
The singer will join former X Factor contestant Olly Murs on Sunday nights (November 27) show.
Coldplay, Michael Buble and Jessie J are lined-up to duet with this year's X Factor contestants in the live final
The live finals will this year take place at Wembley Arena on December 10-11.
Jessie will reportedly be paired with girldband Little Mix if they make the final stage of the show.
Meanwhile, Jessie J is set to claim the biggest-selling debut album in the UK this year with 'Who You Are'.
The singer is currently leading the 2011 list with her acclaimed debut, which was released back in March.