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!
It looks like Katy Perry's new song "Roar" has had a lasting effect! An entire high school in Colorado has made their own video featuring Katy's hit.
Watch as the students of Lakewood High School - who's mascot is the tiger! - takes you on a tour of their school. Talk about school spirit!!