Britney Spears' Preview of 'Scream and Shout' Channels Christina Aguilera

The teaser videos for an upcoming video for's 'Scream and Shout' featuring Britney Spears show the singer in full pop princess mode again. The two teaser videos show the singer in a skin tight black outfit and a bouffant hair style. Fans noticed something interesting. The clip for the video is very similar to Christina Aguilera's video for 2010's 'Not Myself Tonight'.

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