Seven of the X Factor's previous 13 winners have secured it - Ben Haenow's Something I Need was the most recent, back in 2014.
He also praised runner-up Davies, saying: "Congratulations to Grace who is really an outstanding, outstanding artist".
Rak-Su closed the first round of performances by singing their original song "Mamacita" for the second time in the competition.
An emotional Simon called Rak-Su "gentlemen", saying: "You are stars". This doesn't get paid for for nothing.
The four-piece boyband had performed two of their original songs during Sunday night's live grand final- Touché and Mona Lisa - and managed to beat fellow singer-songwriter Grace Davies to The X Factor crown.
"I want to say thank you to Just Eat, the panel, the contestants and the audience at home".
Morocco calls for new EU-Africa partnership
The ensuing high youth unemployment has fueled protests in some African countries and supplied illegal migration to Europe. Several African leaders have pressed for the slavery issue to enter the summit's agenda.
Former Fugees star Jean said the boy band were "so incredible I had to jump on a plane to come represent for them, baby".
Simon Cowell has set a target of raising £1 million for the charities and pledged a personal donation of £250,000 during Saturday night's show.
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.
"And I don't wanna just rely on you guys".
"Meet these people, you'll understand how important it is".
Egypt presidential hopeful returns home
Upon landing in the Egyptian capital, Shafik quickly left to an unknown destination, an airport official said. Charges were laid down against him, but he was acquitted of some, while the others were dropped.
Mattis heads to Middle East, Africa
He is scheduled to meet with Egyptian President Abdel-Fattah el-Sissi and Defense Minister Gen Sedki Sobhi today (Saturday). On Wednesday, the state-run Al-Ahram newspaper said the death toll from the attack had risen to 311.
Williams' midcourt 3 lifts Boise State over OR 73-70
The Ducks shot a ideal 10-for-10 but thanks to 22 fouls, allowed Boise State to take 25 attempts, 18 of which were converted. Altman lamented his team not making the tough plays, including losing key rebounds and getting beat in transition defense.
Eagles Give Jeffery 4-Year Contract Extension
The Eagles visit the Seattle Seahawks on Sunday night at 8:30 p.m. "We are excited about his future here". The connection of Alshon and Carson Wentz has clearly flourished as the season went on.
Big Ten Championship: A lot on the line for both teams
However, Wisconsin does have the better defensive unit as the Badgers are only giving up 12.0 points on defense and 236.9 yards. Only six days after surgery, Barrett will start the game as planned for Ohio State, Meyer told FOX before the game.
Nathan Redmond Clears Up What Pep Guardiola Said To Him
Redmond has since played down the incident, stating there was nothing aggressive or offensive in what Guardiola said to him. I have to do that, hopefully I can improve". "If the FA want my statement again, I am able to explain whatever they want".