newly single Britney Spears debuted a softer, chocolate-hued 'do upon arriving at Elton John’s annual Oscars bash in De Grisogono jewels and a plunging, black sequined gown courtesy of Michael Cinco Couture. Looking better (and more natural) than ever -- thanks to the darkened tresses -- Brit enjoyed her evening accompanied by longtime manager, Larry Rudolph. Do you prefer the pop princess as a blonde or as a brunette