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!
Christina Aguilera and A Great Big World unveiled a haunting music video for “Say Something” on Tuesday night.
In the clip, the trio perform the gorgeous ballad as people -fighting couples, scared children, grieving widows - act out the heartbreaking lyrics.
The band originally recorded the track without Aguilera, but released a new version earlier this month after the singer revealed how much she loved the song.
Check it out!