Christina Aguilera Shares Sneak Peek On The Set Of A Great Big World's 'Say Something' Video

Their song "Say Something" sky-rocketed to no. 2 on the iTunes charts after teaming up Christina Aguilera, who sang the song on the Nov. 5 live episode of "The Voice," and now indie group A Great Big World are making sure to capitalize on their single's success. In fact, the 32-year-old pop star, along with Ian Axel and Chad Vaccarino, who make up A Great Big World, somehow have already shot the video for "Say Something." On Friday (Nov. 8), Aguilera treated fans to a sneak peek of what's to com...