James Arthur beat Jahmene Douglas to take the title in front of a 10,000-strong audience at Manchester Arena, with millions more watching the ITV show live on television.
Arthur looked stunned as host Dermot O'Leary announced the result and could only say "wow" when asked how he felt.
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A serious case review into the exploitation of young people in Oxford has documented a catalogue of failures by police and social services.
Oxfordshire Safeguarding Children's Board has apologised over the time it took to investigate child exploitation in the county.
Tuesday's weather for the west of the region