The new Band Aid single will premiere on The X Factor on Sunday. Ed Sheeran, One Direction, Bono, Sam Smith, Bastille, Foals, Chris Martin and Emeli Sande and many more will be on studio on Saturday to record a new version of Do They Know It's Christmas.
Money raised will go to help fight the spread of the Ebola virus in West Africa. The song was first recorded back in 1984.
