Chart Date Position Australia Top 20 2007-11-17   36 2007-11-24   32 2007-12-01   34 2007-12-08   29 2007-12-15   25 2007-12-22   25 2007-12-29   17 2008-01-05   17 2008-01-12   16 2008-01-19   15 2008-01-26   11 2008-02-02   10 2008-02-09   13 2008-02-16   13 2008-02-23   10 2008-03-01   8 2008-03-08   10 2008-03-15   13 2008-03-22   16 2008-03-29   16 2008-04-05   23 2008-04-12   24 2008-04-19   23 2008-04-26   31 Brazil Top 20 2008-01-13   3 2008-01-20   1 2008-01-27   1 2008-02-03   1 2008-02-10   3 2008-02-17   6 2008-02-24   9 2008-03-02   10 2008-03-09   9 2008-03-16   13 Canada Top 20 2007-10-12   40 2007-10-19   37 2007-11-02   35 2007-11-09   33 2007-11-16   25 2007-11-23   23 2007-11-30   15 2007-12-07   9 2007-12-14   9 2007-12-21   6 2007-12-28   10 2008-01-04   7 2008-01-11   13 2008-01-18   9 2008-01-25   10 2008-02-01   13 2008-02-08   20 2008-02-15   31 2008-02-22   33 2008-02-29   33 2008-03-07   37 2008-03-14   37 Ireland Top 20 2008-09-27   19 New Zealand Top 20 2007-09-26   20 2007-10-03   4 2007-10-10   1 2007-10-17   1 2007-10-24   1 2007-10-31   2 2007-11-07   3 2007-11-14   3 2007-11-21   5 2007-11-28   6 2007-12-05   5 2007-12-12   5 2007-12-19   9 2007-12-26   14 2008-01-02   5 2008-01-09   11 2008-01-16   14 2008-01-23   13 2008-01-30   20 2008-02-06   30 2008-02-13   30 2008-02-27   37 2008-03-05   38 2008-03-12   39 Muchmusic Top 30 2007-11-24   27 2007-12-01   23 2007-12-08   20 2007-12-15   18 2008-01-12   13 2008-01-19   10 2008-01-26   8 2008-02-02   4 2008-02-09   2 2008-02-16   1 2008-02-23   11 2008-03-01   18 UK Singles Top 40 2007-10-28   31 2007-11-04   26 2007-11-11   23 2008-09-21   39 USA Singles Top 40 2007-10-20   30 2007-10-27   14 2007-11-03   2 2007-11-10   1 2007-11-17   1 2007-11-24   1 2007-12-01   2 2007-12-08   3 2007-12-15   2 2007-12-22   4 2007-12-29   4 2008-01-05   4 2008-01-12   4 2008-01-19   4 2008-01-26   4 2008-02-02   8 2008-02-09   10 2008-02-16   16 2008-02-23   25 2008-03-01   27 2008-03-08   19 2008-03-15   24 2008-03-22   31 World RnB Top 30 Singles 2008-01-05   9 2008-01-12   9 2008-01-19   11 2008-01-26   13 2008-02-02   15 2008-02-09   18 2008-02-16   11 2008-02-23   11 2008-03-01   13 2008-03-08   13 2008-03-15   14 2008-03-22   16 2008-04-26   16 2008-05-03   16 2008-05-10   23 World Singles Official Top 100 2008-01-19   9 2008-01-26   14 2008-02-02   8 2008-02-09   9 2008-02-16   17 Airplay World Official Top 100 2008-01-19   11 2008-01-26   14 2008-02-02   14 2008-02-09   13 2008-02-16   14 HeatSeekers Radio Tracks 2009-02-28   18

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