Mims’ This Is Why I’m Hot moves up no. 4 to no. 3 on the Hot 100 singles chart and is joined in the top 10 by Diddy’s Last Night featuring Keyshia Cole which isn’t really a rap track but we’ll give Diddy a pass this week for old time’s sake.

Top 10 Singles on the Hot 100

1. Akon – Don’t Matter
2. Gwen Stefani – The Sweet Escape feat. Akon
3. Mims – This Is Why I’m Hot
4. Fergie – Glamorous feat. Ludacris
5. Avril Lavigne – Girlfriend
6. Beyonce – Beautiful Liar feat. Shakira
7. Gym Class Heroes – Cupid’s Chokehold
8. Justin Timberlake – What Goes Around, Comes Around
9. Daughtry – It’s Not Over
10. Diddy – Last Night feat. Keyshia Cole

The Hot 100′s fastest growing track at radio is T-Pain’s Buy U a Drank (Shawty Snappin’) featuring Yung Joc rising from no. 24 to no. 14.

Also debuting in the Hot 100 is DJ Khaled’s We Takin’ Over featuring T.I., Akon, Rick Ross, Fat Joe, Lil’ Wayne and Baby at No. 75.