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!
If you aren't yet familiar with the Canadian teenage heartthrob, he got his start by uploading snippets of covers to his Vine account, which has amassed over 3 million followers (and counting). He now has a record deal and a hot new song,"Life Of The Party," and seeing his live performance made us realize what a huge star he's going to be!
Check out all the videos below.
Watch Shawn Perform "Life of the Party"
Watch Shawn Perform "The Weight"
Watch Shawn Perform "Show You"
And he doesn't just play music!
When it comes to pick up lines, Shawn knows how to deliver 'em with swag - so when he hung out with Paul The Web Guy backstage before his performance at the iHeartRadio Theater in NYC, he showed us how it's done.