25 Kris Allen – “Live Like We’re Dying”
24 Nerina Pallot – “Real Late Starter”
23 Shakira – “Did It Again”
22 Foo Fighters – “Wheels”
21 Allison Iraheta – “Friday I'll Be Over U”
Britney Spears – “3” Dead By Sunrise – “Let Down” Miley Cyrus – “Party In The U.S.A.” [12, 8] t.A.T.u. – “White Robe” [6, 2] Allison Iraheta – “Friday I'll Be Over U”
Weezer – “I Want You To” [W: 1 | Debut | P: 20]
Muse – “Undisclosed Desires” [W: 1 | Debut | P: 19]
Superbus – “Apprends-Moi” [W: 2 | +2 | P: 18]
Joss Stone – “Baby, Baby, Baby” [W: 8 | -4 | P: 13]
Laura Pausini – “Con La Musica Alla Radio” [W: 4 | +2 | P: 7]
Ke$ha – “Tik Tok” [W: 8 | +1 | P: 10]
Norah Jones – “Chasing Pirates” [W: 1 | Debut | P: 14]
Miley Cyrus – “Party In The U.S.A.” [W: 3 | +2 | P: 13]
Tegan & Sara – “Hell” [W: 2 | -3 | P: 9]
Carrie Underwood – “Cowboy Casanova” [W: 8 | = | P: 10] [Retired]
Natalie Imbruglia – “Want” [W: 11 | +4 | P: 9]
Marié Digby – “Avalanche” [W: 1 | Debut | P: 9]
Taylor Swift – “Fifteen” [W: 6 | +4 | P: 4]
Lily Allen – “Who’d Have Known” [W: 5 | +3 | P: 7]
Nelly Furtado – “Más” [W: 2 | -4 | P: 2]
The Veronicas – “Hook Me Up” [W: 6 | = | P: 2]
t.A.T.u. – “White Robe” [W: 1 | Debut | P: 4]
Katharine McPhee – “Had It All” [W: 5 | = | P: 1(1)]
Orianthi – “According To You” [W: 5 | -1 | P: 1(2)]
Green Day – “21st Century Breakdown” [W: 1 | Debut | P: 1(1)]
Carrie Underwood – “All-American Girl” [2008]
Britney Spears – “3” 
Dead By Sunrise – “Let Down”
