Here's to an amazing 2015 for 5 Seconds Of Summer! What's next for our favourite four boys?
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One Year Of 5SOS: 13 AMAZING Moments From The 'Don't Stop' Boys' First Year In Pop

13. Here's to an amazing 2015 for 5 Seconds Of Summer! What's next for our favourite four boys?
We can't wait to see what our four favourite Aussies have in store for us this year. Picture: PA