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| This Week | Last Week | Change | Song | Artist | Weeks On | Peak |
| 1 | 3 | Bubbly | Colbie Caillat | 9 | 1 (#2) | |
| 2 | 1 | What Time Is It | High School Musical 2 Cast | 4 | 1 (#1) | |
| 3 | 4 | Stranger | Hilary Duff | 7 | 2 | |
| 4 | 5 | Can't Leave Em Alone | Ciara Feat. 50 Cent | 3 | 4 | |
| 5 | 6 | Potential Breakup Song | Aly & AJ | 8 | 1 (#2) | |
| 6 | 10 | Real Girl | Mutya Buena | 9 | 5 | |
| 7 | 9 | Love Story | Katharine McPhee | 6 | 7 | |
| 8 | 7 | Love Song | Sara Bareilles | 2 | 7 | |
| 9 | 8 | Tell Me What We're Gonna Do Now | Joss Stone Feat. Common | 4 | 8 | |
| 10 | 18 | Oh My God | Lily Allen | 2 | 10 | |
| 11 | 15 | Easy | Paula DeAnda | 4 | 11 | |
| 12 | 11 | Soulmate | Natasha Bedingfield | 2 | 11 | |
| 13 | 13 | Don't Stop The Music | Rihanna | 4 | 3 | |
| 14 | RE-ENTRY | Nolita Fairytale | Vanessa Carlton | 3 | 14 | |
| 15 | You Can't Stop The Beat | Hairspray Cast | 1 | 15 | ||
| 16 | 19 | Tambourine | Eve | 2 | 16 | |
| 17 | 16 | The Way I Are | Timbaland Feat. Keri Hilson | 6 | 2 | |
| 18 | 17 | Big Girls Don't Cry | Fergie | 9 | 11 | |
| 19 | 20 | Give It To You | Eve Feat. Sean Paul | 2 | 19 | |
| 20 | 14 | Shut Up & Drive | Rihanna | 6 | 4 |
| This Week | Last Week | Change | Song | Artist | Weeks On | Peak |
| 1 | 8 | What Time Is It | High School Musical Cast | 3 | 1 (#1) | |
| 2 | 1 | Nobody's Perfect | Miley Cyrus | 10 | 1 (#2) | |
| 3 | 5 | Bubbly | Colbie Caillat | 8 | 1 (#1) | |
| 4 | 2 | Stranger | Hilary Duff | 6 | 2 | |
| 5 | 14 | Can't Leave Em Alone | Ciara/50 Cent | 2 | 5 | |
| 6 | 3 | Potential Breakup Song | Aly & AJ | 7 | 1 (#2) | |
| 7 | Love Song | Sara Bareilles | 1 | 7 | ||
| 8 | 12 | Tell Me What We're Gonna Do Now | Joss Stone | 3 | ||
| 9 | 10 | Love Story | Katharine McPhee | 5 | 9 | |
| 10 | 11 | Real Girl | Mutya Buena | 8 | 5 | |
| 11 | Soulmate | Natasha Bedingfield | 1 | 11 | ||
| 12 | 6 | Promise Ring | Tiffany Evans feat. Ciara | 2 | 6 | |
| 13 | 4 | Don't Stop The Music | Rihanna | 3 | 3 | |
| 14 | 9 | Shut Up & Drive | Rihanna | 5 | 4 | |
| 15 | 15 | Easy | Paula DeAnda | 2 | 15 | |
| 16 | 7 | The Way I Are | Timbaland/Keri Hilson | 5 | 2 | |
| 17 | 18 | Big Girls Don't Cry | Fergie | 8 | 11 | |
| 18 | Oh My God | Lily Allen | 1 | 18 | ||
| 19 | Tambourine | Eve | 1 | 19 | ||
| 20 | Give It To You | Eve/Sean Paul | 1 | 20 |
| This Week | Last Week | Change | Song | Artist | Weeks On | Peak |
| 1 | 5 | Nobody's Perfect | Miley Cyrus | 9 | 1 (#2) | |
| 2 | 4 | Stranger | Hilary Duff | 5 | 2 | |
| 3 | 1 (#2) | Potential Breakup Song | Aly & AJ | 6 | 1 (#2) | |
| 4 | 3 | Don't Stop The Music | Rihanna | 2 | 3 | |
| 5 | 6 | Bubbly | Colbie Caillat | 7 | 1 (#1) | |
| 6 | Promise Ring | Tiffany Evans feat. Ciara | 1 | 6 | ||
| 7 | 7 | The Way I Are | Timbaland/Keri Hilson | 4 | 2 | |
| 8 | 2 | What Time Is It? | High School Musical Cast | 2 | 2 | |
| 9 | 10 | Shut Up & Drive | Rihanna | 4 | 4 | |
| 10 | 20 | Love Story | Katharine McPhee | 4 | 10 | |
| 11 | 9 | Real Girl | Mutya Buena | 7 | 5 | |
| 12 | 8 | Tell Me What We're Gonna Do Now | Joss Stone | 2 | 8 | |
| 13 | 13 | Whine Up | Kat Deluna | 4 | 13 | |
| 14 | Can't Leave Em Alone | Ciara | 1 | 14 | ||
| 15 | Easy | Paula DeAnda | 1 | 15 | ||
| 16 | 14 | When You're Gone | Avril Lavigne | 7 | 1 (#1) | |
| 17 | 16 | You Know I'm No Good | Amy Winehouse | 10 | 3 | |
| 18 | 17 | Big Girls Don't Cry | Fergie | 7 | 11 | |
| 19 | 18 | Lip Gloss | Lil Mama | 7 | 13 | |
| 20 | Wall To Wall | Chris Brown | 1 | 20 |