WATCH: Rak-Su talks X Factor, Simon Cowell, Partying and More
Introducing the winners of this years' X-Factor
Last updated 7th Dec 2017
The boys filled us in about the night of X-Factor and a backstage pep-talk with Simon Cowell.
Plus, they talk about a hilarious 10-minute drunken video, feeling star-struck and what goes down in the DMs.
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