After the announcement, Boyle curtsied to the audience and gave them her signature hip shake.
During her finals performance, Boyle looked polished, wearing a sparkling, floor-length gown. She returned to the song that made her an Internet sensation I Dreamed A Dream" from Les Miserables."
The winners earned a 100,000 pound ($159,000) prize and the chance to perform before Queen Elizabeth II at the Royal Variety Show.
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