London: Mark Ronson's single 'Uptown Funk' that also features Bruno Mars and his band The Smeezingtons on vocals, has reclaimed top spot on UK charts .
British producer Ronson got his first number one with ' Uptown Funk' in mid-December and the single has now claimed the final top spot of 2014, the BBC reported.
'X-Factor' winner Ben Haenow's single of One Republic's 'Something I Need' went down to number two on the charts.
Brit singer Ed Sheeran held on to number three in the singles chart, with 'Thinking Out Loud'.
American singer Taylor Swift moved up three places to fourth with 'Blank Space'.