MOVE OVER BRITNEY...
Here's a new twist on the cola wars. Just days after Pepsi debuted its new commercial featuring Britney Spears
, Coca-Cola has signed a U.S. sponsorship deal with Spears's pop rival Christina Aguilera
. Meanwhile, tonight's Extra
offers a glimpse of Aguilera's Latin American Coke spot, never before seen in the U.S.