What is making Britney Spears giggle?

The singer was snapped making some funny faces as she had a giggling fit at 'The X Factor'.

Britney Spears really does pull the best facial expressions! 
The singer was snapped making some funny faces as she had a giggling fit at ‘The X Factor’. 
Completing the final press conference in Los Angeles, the judge was looking in high spirits as she prepared for the final. 




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