Mitsotu, Duke, MK1, Poisonous Twins, and Rough Copy were all put through by the judges.
Gary Barlow then informed GMD3 and Triple J that there was one place left and they must battle it out in a sing off, acapella
Triple J performed I Wanna See You Tonight
GMD3 performed That God Blessed The Open Road
After the Judges deliberated, Gary revealed: "OK guys, you have been neck in neck throughout this competition and I’m sorry it has come down to this, but we have to pick one of you right now.
"The act taking the last place of judge’s houses of the groups is….GMD3."
Watch GMD3 and Triple J go head to head below...