2. 'Uptown Funk' - Mark Ronson feat. Bruno Mars
This image appears in the gallery:
This Week's Top 10 (1st February 2015)

9. 2. 'Uptown Funk' - Mark Ronson feat. Bruno Mars
And number two goes to Mark Ronson….um hang on, is that right? They're not number one anymore?! What's going on! Okay, well, better click that button to see who has beaten the dynamic duo.