I will be back with commentary at a later date, but omfg Alex's performance of Hallelujah was the best of the entire series, and I'll be back with a link to it as well because you all need to see it. She is going to be a fucking SUPERSTAR. I can't wait to buy her first record!!!
ETA. SERIOUSLY YOU GUYS. Watch this: http://xfactor.itv.com/videos/video-det