X Factor winner James Arthur is back at No.1 tonight with single Impossible after three weeks on the Official Chart.
Last week's Christmas No.1, He Ain't Heavy, He's My Brother by the Justice Collective, drops four places to No.5.
Elsewhere, Psy's Gangnam Style climbs from No.6 to No.3 in its 19th week on the Official Singles Chart.
As with the Official Albums Chart tonight - headed up by Emeli Sande - there are no new entries on the post-Xmas Singles ...
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