The "X Factor UK" 2015 Six Chair Challenge, which is termed "brutal" by many for sending majority of the acts home in the selection process, is here again.

Also Read

Contestants are placed in four categories – Girls under Rita Ora, Boys under Nick Grimshaw, Groups under Cheryl Fernandez-Versini (Cheryl Cole) and Over 25s under Simon Cowell.

Spoilers:

With judge Rita Ora having chosen top six girls last week, acts from Boys and Groups will perform on Sunday with the hope of making it to their Judge's House. In Six Chair Challenge 2, Nick and Cheryl will be in the hot seats as they select their top six boys and top six groups respectively during the show.

The judges will send home 10 acts each in the process of selection.

List of contestants in Boys category: Ben Clark, Brodie Kelly, Che Chesterman, Danny Sharples, Jamie Eldridge, Jordan Luke Gage, Josh Daniels, Martin Harich, Mason Noise, Nathaniel Landskroner, Olly Marland, Papasidero, Sean Miley Moore, Simon Lynch, Tom Bleasby and Tom Davies.

List of acts in Groups category: 4th Power, Alien, BEKLN, Cam and Brett, Decibellas, Goe, Menn On Point, Mon Amie, My Bad Sister, PYT, Rumour Has It, Ryder, Silver Tone, The First Kings, and Tribe.

Last week, Rita Ora chose Monica Michael, Chloe Paige, Louisa Johnson, Havva Rebke, Kiera Weathers, and Lauren Murray as her top six girls and sent 10 girls home in the process.

Simon Cowell's Over 25s will perform in the final and Six Chair Challenge 3 next Sunday.