Christina Aguilera & T.I.: 'Castle Walls: Preview!

Check out a preview of Chrisitina Aguilera and T.I.‘s new duet, “Castle Walls“.

The song is off of T.I.‘s upcoming album No Mercy, scheduled to be released on December 7. It was produced by Alex Da Kid, who also did Rihanna and Eminem‘s “Love the Way You Lie” and the sequel song, Love the Way You Lie (Part II)“.

Listen to “Castle Walls” below!