The Justice Collective's charity release of He Ain't Heavy He's My Brother has topped the U.K. singles chart just in time for Christmas.

The track, a reworking of The Hollies 1969 classic, features the voices of Sir Paul MCCartney and Robbie Williams and raises money for the families of 96 Liverpool soccer club fans who passed away in 1989 during the tragic Hillsborough Stadium crush.

Britain's X Factor winner James Arthur's Impossible drops to number two, Scream & Shout by and Britney Spears falls to three, and Rihanna's collaboration with Mikky Ekko, Stay, rises to four.

Rounding out the top five is Bruno Mars' Locked Out of Heaven.

In the U.K. albums chart, Emeli Sande is experiencing a resurgence with Our Version of Events, reclaiming the number one spot 45 weeks after it was released.

Olly Murs' Right Place Right Time holds steady at two, and Christmas by Michael Buble remains at three. Unorthodox Jukebox by Mars dips to four and The Very Best by Neil Diamond jumps to five.