5 Seconds of Summer's latest single 'Amnesia' is a bit of a sad tune, but there were no sad faces to be found on the set of the song's music video!

In a new behind-the-scenes look of the filming for the official vid, Luke, Calum, Ashton and Michael get up to all sorts of hijinks that, frankly, we've come to expect from the Australian band -- and we love them for it!

In between shots of the quartet riding in an old station wagon and looking over a city skyline, Michael eats all of the cheese sticks, Calum reveals he would be a terrible ally in a water gun fight, Ashton steals a flamingo and Luke attempts to send all of his band mates over a cliff in search of the nearest Dunkin' Donuts.

You know, just a regular day in the life of 5SOS.

Check out the band in their behind-the-scenes vid above!

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