'X Factor' Guilty Pleasures & Heroes quarter-final - In Pictures
Janet Devlin, Amelia Lily, Misha Bryan, Marcus Collins and Little Mix are all just two rounds away from The X Factor final, so the pressure was really on when they took to the stage at Fountain Studios.
As tension increases between the acts, the in-fighting between judges Gary Barlow, Tulisa Contostavlos, Kelly Rowland and Louis Walsh inevitably went up a notch as well.
If the acts can survive the chop in tomorrow's elimination, they will be one show away from a spot at X Factor's biggest ever final at Wembley Arena.
Look back at the Heroes and Guilty Pleasures performances from the final five acts below: