Todas las últimas noticias de la Princesa del Pop, Britney Spears! You better work Bitch! http://britney-spears.blogcindario.com
European Hot 100 Singles: "Piece of Me" #6 (+36)
Canada: "Piece of Me" #6 (+1)
Euro Digital Tracks: "Piece of Me" #5 (+5)
European Top 100 Albums: "Blackout" #39 (+18)
Canada: "Piece of Me" #6 (+1)
Euro Digital Tracks: "Piece of Me" #5 (+5)
European Top 100 Albums: "Blackout" #39 (+18)