Happy 5SOS Day! To celebrate, we've compiled our favorite articles, galleries and quizzes about our favorite Aussies—5 Seconds of Summer! So what are you waiting for? Get clicking!
We should probably start at the beginning, right? Whether you've been a fan of the band since 2011 or are just starting to get into them post-"She's Kinda Hot," it would do you well to learn the basics. Click here to educate yourself!