With mostly minor adjustments to the top 10 singles on last week’s Hot 100 singles chart, much of interest occurred further down the chart as Lil Mama’s Lip Gloss re-entered the top 20 at no. 12, rebounding from an earlier low at no. 95.

Top 10 Singles on the Hot 100:

1. Rihanna – Umbrella
2. Shop Boyz – Party Like a Rockstar
3. T-Pain – Buy U a Drank (Shawty Snappin’) feat. Yung Joc
4. Fergie – Big Girls Don’t Cry
5. Maroon 5 – Makes Me Wonder
6. Plain White T’s – Hey There Delilah
7. Avril Lavigne – Girlfriend
8. Justin Timberlake – Summer Love
9. Huey – Pop, Lock & Drop It
10. Amy Winehouse – Rehab

Amy Winehouse’s You Know I’m No Good featuring Ghostface Killah reappeared in the Hot 100 at no. 78.