The three judges - Jason Derulo, Frank Harris and Becky Hill - give the eight remaining artists their biggest challenge yet.This week, the artists must master the art of collaboration. Working together in groups, they take on two of Becky Hill's most famous tracks. With the host, Jordan North, by their side, the pressure is on as the artists perform in front of the judges and on one of the most iconic stages in the world.With a double elimination looming, they must show the judges that they can shine while collaborating in a group and deal with any curveballs that might happen when performing live.At the end of the challenge, three artists go head to head to sing to save their place in the competition, and only six of them will remain in the fight to be signed to Jason's record label.