Piece Of Me (December 29th, 2007)

US: #15 (+5) YA SUBIÓ del 20 de ayer

Ireland: #3 (+1)
Canada: #7
Sweden: #10
Australia: #12 (+5)
New Zealand: #14
Finland: #17
Norway: #28
Germany: #43 (+8)
UK: #44 (+1)
Switzerland: #47 (+9)
Austria: #59 (+15)
Denmark: #70 (+4)
Italy: #73 (+2)

Recent debuts:

France: #98

Blackout

US: #43
Canada: #8 (+21)
Denmark: #16 (+18)
New Zealand: #21 (+19)
Sweden: #23 (+16)
Ireland: #27, #28 and #30 (+33)
Norway: #31 (+2)
Australia: #48 (+10)
France: #75 (+25)

Re-enter:

UK: #43
Belgium: #81
Germany: #84

Créditos: BritneyExperts