Offering a glimpse into the jet set lifestyle that The X Factor winner could have, judges' houses sees the remaining acts travel to glamorous destinations across the world. With just one more chance to impress their mentor, each act will be hoping to convince them that they have the star quality required to reach the live shows.
One Direction star Louis will fly the acts in his Boys category out to Ibiza.
Contestants in the Boys category are Anthony Russell, 28, from Liverpool, Armstrong Martins, 23 from London, Brendan Murray, 21 from Galway, Dalton Andre Harris, 24 from Jamaica, J-Sol, 25 from London and Thomas Pound, 20 from Bridgend.
Louis will be joined by not only Liam but also Chic star Nile Rodgers.
They will help him pick the four finalists he needs for the live shows.
The X Factor 2018's judges' houses airs this Saturday at 8:35PM and Sunday night at 8PM on ITV.
Meanwhile, Robbie Williams will take his groups to Beverley Hills with guest judge David Walliams.
Acts in his category are duo A*, LMA Choir, Misunderstood, Panda and Burgundy, girl group Sweet Sense and and boy band Vibe 5.
And Ayda Williams will also be in LA with the Overs, joined by guests Leona Lewis and Adam Lambert.
Her final six acts are are Danny Tetley, 37 from Bradford, Giovanni Spano, 33 from London, Janice Robinson, 50 from USA, Louise Setara, 30 from Surrey, Olatunji Yearwood, 32 from Trinidad and Tobago and Ricky John, 37 from London.
Each judge will pick four acts to make the live shows alongside Simon Cowell's girls, who were revealed last week.
He chose 19-year-old Bella Penfold from Essex, 16-year-old Molly Scott from County Durham, 20-year-old Scarlett Lee from Surrey and 25-year-old Shan from Croydon as his finalists.