Tonight's episode sees the dramatic Six Chair Challenge continue, as the contestants take to the stage to perform live in front of an audience for the first time while the judges face some tough decisions.In the final special Six Chair Challenge episode the stakes are high as, for the first time in the competition, the acts perform live in front of an audience. Their judge then has to decide, there and then in front of the audience, if they want the act to take one of six seats on stage, each one representing a place at their Judges' House.However, even if they win a seat, the contestants face an anxious wait as no one is safe until the last person in each category has sung. Each judge is able to change their mind at any point swapping an act already through with someone else who comes on and out-performs them.Who will have what it takes to keep hold of their seat and be one step closer to a coveted place in the lives shows?