Fergie "Clumsy" (January 2nd)
Jordin Sparks "Tattoo" (January 24th)
Alicia Keys "Like You'll Never See Me Again" (February 4th)
Chris Brown "With You" (February 11th)
Britney Spears "Piece Of Me" (February 25th)
Janet Jackson "Feedback" (March 7th)
Rihanna "Don't Stop The Music" (March 11th)
Carrie Underwood "All-American Girl" (March 26th)
Paula Abdul "Dance Like There's No Tomorrow" (April 18th)
Leona Lewis "Bleeding Love" (April 21st)
Jordin Sparks f/ Chris Brown "No Air" (April 21st)
Mariah Carey "Touch My Body" (April 23rd)
Britney Spears "Break The Ice" (May 9th)
Madonna f/ Justin Timberlake and Timbaland "4 Minutes" (May 30th)
Usher f/ Young Jeezy "Love In This Club" (June 2nd)
Alicia Keys "Teenage Love Affair" (June 18th)
Rihanna "Take A Bow" (June 23rd)
Chris Brown "Forever" (June 27th)
Maroon 5 f/ Rihanna "If I Never See Your Face Again" (July 11th)
Carrie Underwood "Last Name" (July 11th)
Pussycat Dolls "When I Grow Up" (August 8th)
Jordin Sparks "One Step At A Time" (August 13th)
David Banner f/ Chris Brown and Yung Joc "Get Like Me"
Lady GaGa "Just Dance"
Danity Kane f/ Missy Elliott "Bad Girl" at #10
Solange "Sandcastle Disco" at #7
David Banner f/ Chris Brown and Yung Joc "Get Like Me"
Fergie "Clumsy" (January 2nd)
Jordin Sparks "Tattoo" (January 24th)
Alicia Keys "Like You'll Never See Me Again" (February 4th)
Chris Brown "With You" (February 11th)
Britney Spears "Piece Of Me" (February 25th)
Janet Jackson "Feedback" (March 7th)
Rihanna "Don't Stop The Music" (March 11th)
Carrie Underwood "All-American Girl" (March 26th)
Paula Abdul "Dance Like There's No Tomorrow" (April 18th)
Leona Lewis "Bleeding Love" (April 21st)
Jordin Sparks f/ Chris Brown "No Air" (April 21st)
Mariah Carey "Touch My Body" (April 23rd)
Britney Spears "Break The Ice" (May 9th)
Madonna f/ Justin Timberlake and Timbaland "4 Minutes" (May 30th)
Usher f/ Young Jeezy "Love In This Club" (June 2nd)
Alicia Keys "Teenage Love Affair" (June 18th)
Rihanna "Take A Bow" (June 23rd)
Chris Brown "Forever" (June 27th)
Maroon 5 f/ Rihanna "If I Never See Your Face Again" (July 11th)
Carrie Underwood "Last Name" (July 11th)
Pussycat Dolls "When I Grow Up" (August 8th)
Jordin Sparks "One Step At A Time" (August 13th)
David Banner f/ Chris Brown and Yung Joc "Get Like Me" (1st Day/DEBUT/Peak: 10) Alicia Keys "Superwoman" (33rd Day/-4/Peak: 1[8]) Maroon 5 "Goodnight Goodnight" (2nd Day/+1/Peak: 8) John Legend "Green Light" (3rd Day/+1/Peak: 7) Cassie "Official Girl" (5th Day/=/Peak: 6) Pink "So What" (5th Day/-1/Peak: 4) Ne-Yo "Miss Independent" (5th Day/+3/Peak: 4) Carrie Underwood "Just A Dream" (14th Day/-2/Peak: 1[4]) Rihanna "Disturbia" (28th Day/+1/Peak: 1[10]) Coldplay "Viva La Vida" (18th Day/+1/Peak: 1[3])
Mariah Carey "IBLULT" at #10
Lady GaGa "Just Dance"
Fergie "Clumsy" (January 2nd)
Jordin Sparks "Tattoo" (January 24th)
Alicia Keys "Like You'll Never See Me Again" (February 4th)
Chris Brown "With You" (February 11th)
Britney Spears "Piece Of Me" (February 25th)
Janet Jackson "Feedback" (March 7th)
Rihanna "Don't Stop The Music" (March 11th)
Carrie Underwood "All-American Girl" (March 26th)
Paula Abdul "Dance Like There's No Tomorrow" (April 18th)
Leona Lewis "Bleeding Love" (April 21st)
Jordin Sparks f/ Chris Brown "No Air" (April 21st)
Mariah Carey "Touch My Body" (April 23rd)
Britney Spears "Break The Ice" (May 9th)
Madonna f/ Justin Timberlake and Timbaland "4 Minutes" (May 30th)
Usher f/ Young Jeezy "Love In This Club" (June 2nd)
Alicia Keys "Teenage Love Affair" (June 18th)
Rihanna "Take A Bow" (June 23rd)
Chris Brown "Forever" (June 27th)
Maroon 5 f/ Rihanna "If I Never See Your Face Again" (July 11th)
Carrie Underwood "Last Name" (July 11th)
Pussycat Dolls "When I Grow Up" (August 8th)
Jordin Sparks "One Step At A Time" (August 13th)
Duffy "Warwick Avenue" (2 Days/Peak: 8)
Colbie Caillat "The Little Things" (6 Days/Peak: 4)
Keri Hilson "Energy" (20 Days/Peak: 4)
Jessica Simpson "Come On Over" (16 Days/Peak: 4)
John Legend "Green Light" (1 Day/Peak: 9) 
Danity Kane f/ Missy Elliott "Bad Girl" (20th Day/=/Peak: 4)
Ne-Yo "Miss Independent" (3rd Day/=/Peak: 9)
Mariah Carey "IBLULT" (34th Day/-1/Peak: 1[4])
Solange "Sandcastle Disco" (5th Day/-3/Peak: 4)
Cassie "Official Girl" (3rd Day/+2/Peak: 6)
Pink "So What" (3rd Day/=/Peak: 5)
Alicia Keys "Superwoman" (31st Day/-3/Peak: 1[8])
Coldplay "Viva La Vida" (16th Day/+3/Peak: 1[2])
Carrie Underwood "Just A Dream" (12th Day/+1/Peak: 1[3])
Rihanna "Disturbia" (26th Day/+1/Peak: 1[10])
