A Great Big World

Christina Aguilera and A Great Big World took the tempo down a notch at the 2013 American Music Awards (Nov. 24) with their tugs-at-the-heart-strings ballad 'Say Something.'

Simplicity is key in the emotional video for the Christina Aguilera x A Great Big World duet 'Say Something.'

Singer-songwriter duo A Great Big World -- comprised of the supremely talented Chad Vaccarino and Ian Axel-- are making some serious waves. They've ended up on Christina Aguilera's radar and that's just the tip of the pop music iceberg, as they're nabbing fans left and right with their amazing compositions.