Britney Spears is "very unhappy" about the new child support agreement with her ex-husband Kevin Federline.
The 'Piece of Me' hitmaker is reportedly frustrated by...
Christina Aguilera wants to record a song with Britney Spears.
The 'Beautiful' hitmaker was pitted as the 'Toxic' singer's rival when they began their pop...
Christina Aguilera was "hurt" when she was pitted against Britney Spears.
The 'Beautiful' hitmaker found it difficult when the pair appeared to be put against...