T.I. "Castle Walls" Feat. Christina Aguilera (Preview)

WTF?  That hook is amazing!  Christina Aguilera killed it!  I can't wait for this to come out!
This shit spoke to my soul!  I caught the fucking chills for a second there! 

Christina Aguilera-
"Everyone thinks that I have it all,
it's so empty living behind these castle walls, these castle walls.
If I should tumble if I should fall would anyone hear me screaming behind these castle walls
theres no one here at all, behind these castle walls!"

- Wow!