Multi-platinum, Grammy Award winning pop icon Britney Spears is one of the most successful and celebrated entertainers in pop history. Britney recently premiered "Perfume" worldwide via Facebook. The ballad, co-written by Britney and Sia, is the latest song to come from her upcoming BRITNEY JEAN. Britney has described the song as one of her most personal yet, "This is like sharing a piece of my heart" she told her fans upon it's debut.