No.1 is a bit of a surprise

Thousands upon thousands of songs have made their way through the charts worldwide since 2010, but which ones have sold the most in that time?

Dave Moore had the answer in this edition of Dave's World.

Here they are:

10. Rolling in the Deep - Adele

9. Despacito - Luis Fonsi & Daddy Yankee ft. Justin Bieber

8. Somebody That I Used To Know - Gotye

7. Old Town Road - Lil Nas X ft. Billy Ray Cyrus

6. We Found Love - Rihanna ft. Calvin Harris

5. Girls Like You - Maroon 5 ft. Cardi B

4. Closer - The Chainsmokers ft. Halsey

3. Shape of You - Ed Sheeran

2. Party Rock Anthem - LMFAO

1. Uptown Funk - Mark Ronson ft. Bruno Mars

That drink is well deserved Bruno - what an achievement!

The lads also explore what "best-selling" actually means in today's music industry.

And just because we love ya so much - here's that decade of pop songs, in 3 minutes:

Check out Dave's World in full by pressing the play button on screen.