5 Seconds Of Summer Talk One Direction Tour & Answer Fan Questions

YH hangs out with Ashton, Calum, Luke, and Michael from the pop/rock phenomenon 5 Seconds of Summer to get to know the boys behind the band a little better! The Aussie hitmakers discuss their self-titled debut album, the ever-notorious "Pizza" song, and their 'Rock Out With Your Socks Out' headlining world tour! Plus, they talk about going on the road with One Direction, attempt to name their hairstyles, and take a fan challenge! Stick around to find out the fate of Ketchup the Dog!