Grabbing their first No. 1 on the Vodafone Big Top 40. The first of MANY to come we're sure!

This image appears in the gallery:
One Year Of 5SOS: 13 AMAZING Moments From The 'Don't Stop' Boys' First Year In Pop

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 

10. 13 images

See the full gallery: One Year Of 5SOS: 13 AMAZING Moments From The 'Don't Stop' Boys' First Year In Pop