Britney Spears As Sexy Nerd For Halloween (PHOTOS)

Britney Spears dressed up as a sexy nerd while celebrating Halloween with the dancers and crew of her "Piece of Me" show on Friday in Las Vegas.  


The Princess of Pop took all of the cast members to Beacher's Madhouse at the MGM Hotel after the concert to enjoy a fun night full of performances.

Spears, 32, took a picture backstage with Beacher's cast member Donny Davis, who is also featured in "Piece of Me".





Earlier in the night, Britney went trick-or-treating around town with her kids and her mother Lynne.


Check out the photos below...

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