Fergie enters her third week with London Bridge as the top single on the Billboard Hot 100, Pop 100 and Hot Digital Songs charts.

Ciara’s Get Up featuring Chamillionaire is the Hot 100′s greatest sales gainer rising to no. 7 from no. 21.

Top 10 on the Billboard Hot 100 singles chart:

1. Fergie – London Bridge
2. Gnarls Barkley – Crazy
3. Nelly Furtado – Promiscuous feat. Timbaland
4. Sean Paul – (When You Gonna) Give It Up to Me
    feat. Keyshia
5. Pussycat Dolls – Buttons feat. Snoop Dogg
6. Cassie – Me & U
7. Ciara – Get Up feat. Chamillionaire
8. Christina Aguilera – Ain’t No Other Man
9. Ne-Yo – Sexy Love
10. Panic! At The Disco – I Write Sins Not Tragedies

I don’t have a chart position for Chingy’s Pullin Me Back featuring Tyrese but it’s the Hot 100′s greatest airplay gainer this week.

Petey Pablo’s back in action with Show Me The Money debuting at no. 58 and The Game’s It’s Okay (One Blood) featuring Junior Reid at no. 88.