Featuring her trademark lip-syncing and body-writhing skills and a svelte body from four-dozen trenti Frapps ago is this Britney Spears video set to Marilyn Manson's (by way of The Eurythmics) "Sweet Dreams." It was recorded to play during a recent Britney tour (some say Circus, others say Femme Fatale), but previously unseen by the general public. Follow the jump to watch Britney's "Sweet Dreams"!