"The X Factor" UK 2015 is all set to enter Live Shows week 4. The remaining top seven finalists will perform live once again on Saturday with the hope of progressing to the next round.

Spoilers:

Live Shows week 4's theme is "Love and Heartbreak," so one can expect emotions and tears from contestants as well as judges and audience. However, song choices of the acts are not known yet.

Top seven finalists will perform live on Saturday based on which public will vote and determine who stays in the competition and who leaves. Unlike previous weeks where two acts were eliminated after the live performance, only one act will be sent home this week.

Two of the acts that get least public votes will be made to perform again for survival. Judges will then decide who stays in the competition and who goes home based on their performances. However, the act with least public vote will be eliminated in case of a tie (if they get two votes each from four judges).

Ed Sheeran and Rudimental will perform the song, "Lay It All on Me" on Saturday, while Nathan Sykes will sing "Over and Over Again" and Olly Murs - "Kiss Me" – on Sunday.

List of acts that will perform in Live Shows week 4:

Nick Grimshaw's BOYS: Che Chesterman, Mason Noise

Rita Ora's GIRLS: Louisa Johnson, Lauren Murray

Cheryl Fernandez-Versini's GROUPS: 4th Impact, Reggie N Bollie

Simon Cowell's OVERS: Anton Stephans