Top 10 Pop Singles This Week Last Week 1. The Black Eyed Peas No. 1 “I Gotta Feeling” (Interscope) 2. Jay Sean feat. Lil Wayne No. 2 “Down” (Cash Money) 3. Miley Cyrus No. 3 “Party in the U.S.A.” (Hollywood) 4. Jay-Z, Rihanna Kanye West No. 6 “Run This Town” (Roc Nation) 5. Kings of Leon No. 4 “Use Somebody” (RCA) 6. Taylor Swift No. 5 “You Belong With Me” (Big Machine) 7. Mariah Carey No. 11 “Obsessed” (Island) 8. Pitbull No. 9 “Hotel Room Service” (Mr. 305/Polo Grounds/J) 9. D