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Louisa Johnson has been crowned this year's X Factor champion.

She's the youngest person ever to win the show.

The 17-year-old student had Rita Ora as her mentor.

She sang her favourite song, James Brown's, 'It's A Man's Man's World' for one of her final performances.

Reggie 'N' Bollie came second.

"I've imagined this day for so many years, you don't understand. Thank you so much," said Louisa.

Louisa's new single is a cover of Bob Dylan's song Forever Young.

Money from the sale of the song will be donated to children's charities.