http://youtu.be/cE3o3Z7rjP8
Christina Aguilera and A Great Big World sang their somber duet “Say Something” at the 2013 AMAs tonight. Check out the performance above.
And here’s what she looked like on the red carpet:
See all the best photos of Christina at the AMAs — on and off the stage — here:
And for more American Music Awards performance videos and photos:
