Christina Aguilera and TeamXtina Prepares For Battle Round

[youtube]http://www.youtube.com/watch?v=SUc7IRrleiQ[/youtube]

[youtube]http://www.youtube.com/watch?v=gOmMLUmZ2Sg[/youtube]

[youtube]http://www.youtube.com/watch?v=Bfei7KArJkw[/youtube]

[youtube]http://www.youtube.com/watch?v=jOgkmGX8hec[/youtube]