Itunes : Britney est #1 dans 6 pays

#1-US
#1-UK
#1-Canada
#1-Germany
#1-Ireland
#1-New Zealand
#1-Norway
#1-Denmark
#2-Australia
#2-France
#2-Netherlands
#2-Spain
#2-Sweden
#3-Belgium
#5-Switzerland
#7-Italy
#7-Austria
#10-Finland