Britney Spears is trending on Facebook and it is because of this video for 'Alien' that has her singing without the aid of auto tune.  Britney's producer William Orbit has come to her defense, saying that the audio is from a warm up only.  The video is below give it a listen.  

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UPDATE: The original video has been pulled down due to copyright claim.  Here is some of audio in the report from HLN