The unpredictability factor is what makes television reality shows interesting, though many viewers can be disappointed when their favourite artistes are sent packing. "The X Factor" UK 2015 Live Shows fourth week is coming to an end tonight with elimination of two acts, and the results can upset many.

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"The X Factor" UK 2015 viewers will send one act home tonight based on the live performance on Saturday and two more acts with least public votes will be made to perform again on Sunday and the audience can save only one of them.

The fourth week of Live Shows themed "Love and Heartbreak" kicked off on Saturday with Che Chesterman from Nick Grimshaw's BOYS opening the night with "Yesterday" by The Beatles. It was a good performance, and it may well push him to the next round.

Anton Stephans from Simon Cowell's OVERS was next to hit the stage with "One Sweet Day" by Mariah Carey and Boyz II Men. It was a good rendition, but Nick disagreed and felt that he could have done it better.

4th Impact from Cheryl Fernandez-Versini's GROUPS performed "Ain't No Other Man" by Christina Aguilera and it was another powerful rendition from the energetic sisters from the Philippines. Simon said that he wanted more from them but it was no doubt a good performance.

Then Lauren Murray from Rita Ora's GIRLS took on the song "We Belong Together" by Mariah Carey. It was a decent performance but Simon felt that it was not good vocally.

Louisa Johnson from Rita Ora's GIRLS was next to hit the stage. She took on the song "Let It Go" by James Bay and it was a stunning rendition. It was perhaps the best performance of the night, at least that's what the judges felt.

Reggie 'N' Bollie from Cheryl Fernandez-Versini's GROUPS closed the night with a mash up of "Dangerous Love" by Fuse ODG and "Shut Up and Dance" by Walk the Moon. The boys got everyone, including the judges on their feet. It was another energetic and impressive performance.

So, who is likely to be eliminated tonight? It can be either Anton Stephans, Mason Noise or Lauren Murray, if one is to go by the opinions of the judges. But having said that, it's very unpredictable as it is the audience and not the judges who will decide who stays in the competition.

"The X Factor" UK Live Shows week 4 results will be telecast live at 8pm on Sunday, 22 November. The episode will be aired on ITV1 and ITV1 HD, and live streaming will be available on the channel's website.