X Factor UK 2015 4th Power
"4th Power" perform Christina Aguilera's "Show Me How You Burlesque" at the six-chair challengeYouTube Screen grab/X Factor UK

"The X Factor" UK 2015 has been trimmed to just 24 finalists after 40 of the contestants who survived the Boot Camp were sent packing during the Six Chair Challenge episodes that run through three weeks.

Mentors of the show -- Cheryl Fernandez-Versini (Cheryl Cole), Simon Cowell, Rita Ora and Nick Grimshaw – chose six acts each for their respective teams and they will now perform at the judges' houses with the hope of making it to the next round.

Here is the complete list of 24 finalists:

Cheryl Fernandez-Versini's Groups: 4th Impact (formerly 4th Power), Alien Uncovered (Alien), BEKLN Mile (BEKLN), Melody Stone (Silver Tone), New Kings Order (The First Kings), Reggie n Bollie (Menn on Point)

Simon Cowell's Overs: Anton Stephans, Bupsi, Ebru, Jennifer Phillips, Kerrie-Ann Phillips, Max Stone.

Rita Ora's Girls: Louisa Johnson, Chloe Paige, Monica Michael, Havva Rebke, Kiera Weathers, Lauren Murray

Nick Grimshaw's Boys: Ben Clark, Che Chesterman, Josh Daniel, Simon Lynch, Mason Noise, Seann Miley Moore

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