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!
California rockers Haim are supporting Team USA by donning Nike's new uniform for the Men's and Women's National Soccer teams.
They're among a group of stars modeling the new away kits, which the players will wear during this summer's World Cup in Brazil.
Check them out below!