Little Mix became the first ever girl group to win the X Factor.
The four-piece, who were turned into a group at boot camp after unsuccessfully making it as solo artists, beat finalist Marcus Collins to the crowned the winners.
Little Mix; Jesy Nelson, 20, Leigh-Anne Pinnock, 19, and Perrie Edwards and Jade Thirlwall, both 18, hail from different areas of the UK.
After being crowned winners, member Jade said:"Thanks to everyone that voted, we're so grateful."
Jesy added: "This is never going to sink in."
Runner-up Marcus said: "I'm really proud of myself, and these girls are amazing. They really deserve it.
"I felt my performances went well, I was pleased with them. Thank you everyone that voted."
Guest performances over the weekend came from Leona Lewis, Michael Buble, One Dircetion, JLS and Coldplay.