Kevin Davy White came third, leaving the competition tonight.
And it was Rak-Su who won The X Factor 2017 this evening, beating Grace into second place.
This year's X Factor final was two weeks earlier as music producers eyed the lucrative Christmas chart as a launch pad for the newly launched musicians.
They will also be the first X Factor victor to release their own original track Dimelo as their winners single.
One of the highlights of this year have been the incredible original songs performed on the show taking the iTunes charts by storm.
Meanwhile their mentor Simon Cowell first of all thanked Grace before saying that the boys were "gentlemen" and "stars" and gave a shout out to everyone who voted.
He told The Mirror: 'I had to go find somewhere else to sleep.
Jamal said: "I just want to thank everyone at home, everyone here, all my friends and family who made this special, I'm speechless".
The boy band, mentored by Simon Cowell, are favourites going into Sunday night's finale, according to bookies Coral, who have them at 1/4 ahead of Davies on 7/2.
He said: "I've worked with these charities and I know how much help and money they need".
"You wrote your own song, and not many people do that".
Simco Limited will donate 100% of its profits from the sale of each download and in respect of all audio streaming of the single, and the Chancellor has also agreed to donate the Value-Added Tax, in each case to be shared equally by Together For Short Lives and Shooting Star Chase. "All the proceeds from the record [the winner's single] will go the charity".