Britney Spears Tweets From Glee SetThe singer posts a pic of herself at William McKinley High...19 August 2010 / 15:27Britney Spears has provided photographic proof thatGlee by tweeting a picture of herself from the set.The Madonna and Lady GaGa, we can't wait to see the cast take on Britney's biggest hits with reports suggesting that Lea Michele will sing her smash debut single, Baby One More Time.
