Rod Stewart, Craig David, Little Mix, Fleur East, and Leona Lewis also performed on the night.
Paramedics rushed to the stage when the contestant collapsed, moments after hearing the band had failed to make the semi-finals.
Simon Cowell's talent contest may move to Sky
Fatboy Slim said of the show back in 2012: ‘F**k off, no – that's a terrible idea!'
Once our favourite TV format – think the weekly vote-off of 'Strictly', 'X-Factor' and 'The Apprentice'– contest shows are failing to win over young viewers, and television bosses are holding crisis talks. Peter Bazalgette tells Ian Burrell why they need to think outside the box
The BBC show attracted a 41.7 per cent share of Saturday night's TV audience
See which acts the four judges have chosen for the live shows
Scary Spice left her acerbic tongue back in Leeds this week
Tonight it was about the boys, who wooed the crowd - but not everyone impressed the judges
The plummy singer wowed with some old school Hollywood crooning, while Raign won the crowd despite a monotonous speech
Video clips ahead of tomorrow's programme show an abundance of odd acts
Forget about last night’s lap dancing love-in, the pair continuously fought with each other across the judges’ table
Perhaps we are entering a new cold front in our emotional weather
Eddie 'The Eagle' Edwards will teach the celebrities to conquer the ski jump
Lap of the Planet is due to air in March with two other space spin-offs planned
Contostavlos will stand trial on 14 July accused of brokering a cocaine deal, after helping an undercover reporter to obtain 13.9 grams