It's safe to say Aussie heartthrobs Ashton, Calum, Luke, and Michael have a few fans...
5 Seconds Of Summer is undoubtedly one of the biggest boy bands today and their fans turned out in force to support their dads.
5SOS didn't disappoint and delivered a perfect performance.
There's only one question left... which boy is your favorite?
Check out all the photos below!
Want more 5SOS? Take a look at their backstage interview with Billy Costa!
Photo Credit: Jordan Corey/iHeartMedia