We got to catch up with 5 Seconds of Summer earlier this year at the Billboard Music Awards, and now they're in town, so we sat down backstage with them...and they talked what A-Listers they'd want to date (and if they'd want to date a C-list false blonde radio host), made up dating profiles for each other, what they learned from One Direction, and then they turned the tables and interviewed US! Check out the interview, videos and pics: http://thebertshow.com/5secondsofsummer/