The singer-songwriter's cover of Frankie Goes to Hollywood's 'The Power Of Love' moves to the top of the midweek chart, following its use on the latest John Lewis festive adverts.
Murs slips to two with 'Troublemaker', Bruno Mars is at three with 'Locked Out Of Heaven', Labrinth is at four with 'Beneath Your Beautiful' and One Direction are at five with 'Little Things'.
Ke$ha moves up to eight with 'Die Young', Tulisa currently sits at 12 with her third single 'Sight Of You' and Pitbull is at 15 with 'Don't Stop The Party'.
Further down the chart, Mariah Carey is at 23 with 'All I Want For Christmas Is You', The Script advance to 32 with 'Six Degrees Of Separation' and Angel starts at 34 with 'Time After Time'.
Murs remains atop the album tally with Right Place Right Time, while Michael Bublé moves up to two with Christmas.
One Direction are at three with Take Me Home, Rod Stewart is at four with Merry Christmas, Baby and Rihanna slips to five with Unapologetic.
Only Boys Aloud land at 27 with their self-titled debut and The Bee Gees' latest greatest hits set Mythology begins at 34.
Watch the music video for Gabrielle Aplin's 'The Power Of Love' below: