The remaining 11 contestants will battle it out to stay another week. But what will they be singing?
Mel B's boys
Paul Akister: Bat Out of Hell by Meatloaf
Andrea Faustini: Relight My Fire by Take That
Jack Walton: Bleeding Love by Leona Lewis
Cheryl's girls
Lola Saunders: Crazy by Gnarls Barkley
Lauren Platt: Dark Horse by Katy Perry
Louis Walsh's groups
Stereo Kicks: Everybody by Backstreet Boys
Only The Young: The Monster Mash by Bobby Pickett
Simon Cowell's over 25s
Jay James: Mad World by Tears For Fears
Fleur EastL: Thriller by Michael Jackson
Ben Haenow: Highway to Hell by AC/DC
Stevi Ritchi: Music of the Night by Phantom of the Opera
The contestants also face another double elimination this week, with the person with the fewest votes being sent home tonight, before the sing off tomorrow.
Who's performance are you looking forward to most?