In preparation for Femme Fatale's release this week, Britney Spears performed at Rain in Las Vegas Friday night. While many cross their fingers hoping for the Britney of yesteryear to re-emerge, it's obvious her dance moves were left on the floor just after her meltdown. Because from what I see, the ferocious gaze and lioness moves are gone and replaced with endless hair flipping and constant strutting. Judge for yourself below.