JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
Cara Delevingne is currently working on a music career, and one prerequisite for all models-turned-singers is being able to lip sync well.
Thanks to some seriously kawaii styling, the whole thing ended up looking like a Kyary Pamyu Pamyu lyric video — which obviously makes it the most amazing must-see video of the week.