PICTURES! X Factor 2013 performances - Elton John v Beyonce!

Here's all the pictures from tonight's X Factor 2013 live semi-final.

Just four acts remain in the competition but only three can make it through to next weekend's grand final live from Wembley Arena.

This evening the four semi-finalists sung twice, performing songs by both Elton John and Beyonce in a bizarre head to head music battle between the two very different music icons.

Luke Friend's Beyonce choice was Best Thing I Never Had while he went on to perform Elton's Something About The Way You Look Tonight

Nicholas McDonald sung Halo and Don’t Let The Sun Go Down On Me while Rough Copy pushed the theme a bit as they performed Destiny's Child hit Survivor and Sorry Seems To Be The Hardest Word

Finally, bookies' favourite Sam Bailey first belted out Beyonce's megahit If I Were A Boy before following it up with arguably Elton's best known song Candle In The Wind.

With the judges' comments made and voting lines now open, it's a waiting for the hopefuls now ahead of tomorrow evening's results show when one of them will be eliminated.

Who was you favourite from tonight's show? Who do you think will be in danger on Sunday night? Add your comments below!

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