Justin Bieber And 50 Cent For The X Factor USA Live Final

22 December 2011, 10:28 | Updated: 22 December 2011, 10:57

The 'Fa La La' singer is expected to perform for the final episode of the FOX music reality series.

Justin Bieber and 50 Cent have reportedly been lined up to perform on tonight's The X Factor USA live finale.

Simon Cowell's US version of the popular reality series comes to a close with tonight's results show, which is also said to feature guest appearances from Stevie Wonder and Leona Lewis.

According to Billboard the 'Mistletoe' singer is all but confirmed for tonight's show, while judge L.A. Reid has convinced 50 Cent to appear as a surprise for the audience.

Last night The X Factor USA saw guest appearances from Avril Lavigne, Alanis Morissette and R. Kelly for live duets with the show's three remaining finalists Chris Rene, Josh Krajcik and Melanie Amaro.

The X Factor USA finishes tonight (22^nd December) on FOX.