Leona Lewis "Forgive Me" (12 Days/Peak: 4) Alicia Keys f/ Jack White "AWTD" (10 Days/Peak: 1[2]) Ludacris f/ Floyd Mayweather "Undisputed" (1 Day/Peak: 10) David Archuleta "Crush" (18 Days/Peak: 1[2]) Taylor Swift "Love Story" (20 Days/Peak: 1[4])
Coldplay "Lost!" (3rd Day/RETURN/Peak: 10) Kevin Rudolf "Let It Rock" (19th Day/=/Peak: 1[2]) Common f/ Pharrell "UMC" (5th Day/=/Peak: 4) Natasha Bedingfield "Angel" (30th Day/=/Peak: 1[4]) Pussycat Dolls "IHTP"(5th Day/-2/Peak: 4) Brandy "Right Here (Departed)" (35th Day/+1/Peak: 1[4]) Ciara f/ T-Pain "Go Girl" (13th Day/-1/Peak: 1[1]) Chris Brown f/ Keri Hilson "Superhuman" (3rd Day/+2/Peak: 3) Beyonce "If I Were A Boy" (7th Day/=/Peak: 1[2]) Britney Spears "Womanizer" (10th Day/=/Peak: 1[4])
Ludacris f/ Floyd Mayweather "Undisputed" at #10
Keri Hilson f/ Timbaland "Return The Favor"
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)
Alicia Keys "Superwoman" (September 9th)
Rihanna "Disturbia" (September 17th)
Coldplay "Viva La Vida" (September 30th)
Carrie Underwood "Just A Dream" (October 6th)
Pink "So What" (October 17th)
Christina Aguilera "Keeps Gettin' Better"
Michelle Williams "The Greatest"
Mariah Carey "I Stay In Love"
T.I. f/ Rihanna "Live Your Life"
The Killers "Human"
David Archuleta "Crush" (18 Days/Peak: 1[2]) Alicia Keys f/ Jack White "AWTD" (10 Days/Peak: 1[2]) Coldplay "Lost!" (3 Days/Peak: 10) Leona Lewis "Forgive Me" (12 Days/Peak: 4) Taylor Swift "Love Story" (20 Days/Peak: 1[4])
Keri Hilson f/ Timbaland "Return The Favor" (1st Day/DEBUT/Peak: 10) Kevin Rudolf "Let It Rock" (20th Day/=/Peak: 1[2]) Common f/ Pharrell "UMC" (6th Day/=/Peak: 4) Brandy "Right Here (Departed)" (36th Day/-2/Peak: 1[4]) Natasha Bedingfield "Angel" (31st Day/+1/Peak: 1[4]) Pussycat Dolls "IHTP"(6th Day/+1/Peak: 4) Beyonce "If I Were A Boy" (8th Day/-2/Peak: 1[2]) Ciara f/ T-Pain "Go Girl" (14th Day/+1/Peak: 1[1]) Britney Spears "Womanizer" (11th Day/-1/Peak: 1[4]) Chris Brown f/ Keri Hilson "Superhuman" (4th Day/+2/Peak: 1[1])
Coldplay "Lost!" at #10
The Killers "Human"
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)
Alicia Keys "Superwoman" (September 9th)
Rihanna "Disturbia" (September 17th)
Coldplay "Viva La Vida" (September 30th)
Carrie Underwood "Just A Dream" (October 6th)
Pink "So What" (October 17th)
Michelle Williams "The Greatest"
Mariah Carey "I Stay In Love"
T.I. f/ Rihanna "Live Your Life"
Christina Aguilera "Keeps Gettin' Better"
Coldplay "Lost!" (3 Days/Peak: 10) Alicia Keys f/ Jack White "AWTD" (10 Days/Peak: 1[2]) Taylor Swift "Love Story" (20 Days/Peak: 1[4]) Leona Lewis "Forgive Me" (12 Days/Peak: 4) Kevin Rudolf "Let It Rock" (20 Days/Peak: 1[2])
The Killers "Human" (1st Day/DEBUT/Peak: 10) Common f/ Pharrell "UMC" (7th Day/-1/Peak: 4) Natasha Bedingfield "Angel" (32nd Day/-2/Peak: 1[4]) Brandy "Right Here (Departed)" (37th Day/=/Peak: 1[4]) Keri Hilson f/ Timbaland "Return The Favor" (2nd Day/+4/Peak: 6) Pussycat Dolls "IHTP"(7th Day/=/Peak: 4) Chris Brown f/ Keri Hilson "Superhuman" (5th Day/-3/Peak: 1[1]) Britney Spears "Womanizer" (12th Day/-1/Peak: 1[4]) Beyonce "If I Were A Boy" (9th Day/+2/Peak: 1[2]) Ciara f/ T-Pain "Go Girl" (15th Day/+2/Peak: 1[2])
Kevin Rudolf "Let It Rock" at #9
Michelle Williams "The Greatest"
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)
Alicia Keys "Superwoman" (September 9th)
Rihanna "Disturbia" (September 17th)
Coldplay "Viva La Vida" (September 30th)
Carrie Underwood "Just A Dream" (October 6th)
Pink "So What" (October 17th)
Mariah Carey "I Stay In Love"
T.I. f/ Rihanna "Live Your Life"
Christina Aguilera "Keeps Gettin' Better"
Common f/ Pharrell "UMC" (7 Days/Peak: 4) Alicia Keys f/ Jack White "AWTD" (10 Days/Peak: 1[2]) Kevin Rudolf "Let It Rock" (20 Days/Peak: 1[2]) Leona Lewis "Forgive Me" (12 Days/Peak: 4) Taylor Swift "Love Story" (20 Days/Peak: 1[4])
Michelle Williams "The Greatest" (1st Day/DEBUT/Peak: 10) Brandy "Right Here (Departed)" (38th Day/-2/Peak: 1[4]) The Killers "Human" (2nd Day/+2/Peak: 8) Natasha Bedingfield "Angel" (33rd Day/+1/Peak: 1[4]) Keri Hilson f/ Timbaland "Return The Favor" (3rd Day/=/Peak: 6) Pussycat Dolls "IHTP"(8th Day/=/Peak: 4) Chris Brown f/ Keri Hilson "Superhuman" (6th Day/=/Peak: 1[1]) Ciara f/ T-Pain "Go Girl" (16th Day/-2/Peak: 1[2]) Britney Spears "Womanizer" (13th Day/+1/Peak: 1[4]) Beyonce "If I Were A Boy" (10th Day/+1/Peak: 1[3])
Common f/ Pharrell "UMC" at #9
Mariah Carey "I Stay In Love"
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)
Alicia Keys "Superwoman" (September 9th)
Rihanna "Disturbia" (September 17th)
Coldplay "Viva La Vida" (September 30th)
Carrie Underwood "Just A Dream" (October 6th)
Pink "So What" (October 17th)
T.I. f/ Rihanna "Live Your Life"
Christina Aguilera "Keeps Gettin' Better"
Common f/ Pharrell "UMC" (7 Days/Peak: 4) Kevin Rudolf "Let It Rock" (20 Days/Peak: 1[2]) Michelle Williams "The Greatest" (1 Day/Peak: 10) Leona Lewis "Forgive Me" (12 Days/Peak: 4) Taylor Swift "Love Story" (20 Days/Peak: 1[4])
The Killers "Human" (3rd Day/-2/Peak: 8) Natasha Bedingfield "Angel" (34th Day/-2/Peak: 1[4]) Mariah Carey "I Stay In Love" (1st Day/DEBUT/Peak: 8) Brandy "Right Here (Departed)" (39th Day/+2/Peak: 1[4]) Pussycat Dolls "IHTP"(9th Day/-1/Peak: 4) Ciara f/ T-Pain "Go Girl" (17th Day/-2/Peak: 1[2]) Keri Hilson f/ Timbaland "Return The Favor" (4th Day/+2/Peak: 4) Chris Brown f/ Keri Hilson "Superhuman" (7th Day/+1/Peak: 1[1]) Beyonce "If I Were A Boy" (11th Day/-1/Peak: 1[3]) Britney Spears "Womanizer" (14th Day/+1/Peak: 1[5])
Michelle Williams "The Greatest" at #10
T.I. f/ Rihanna "Live Your Life"
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)
Alicia Keys "Superwoman" (September 9th)
Rihanna "Disturbia" (September 17th)
Coldplay "Viva La Vida" (September 30th)
Carrie Underwood "Just A Dream" (October 6th)
Pink "So What" (October 17th)
Leona Lewis "Forgive Me" (12 Days/Peak: 4)
Alicia Keys f/ Jack White "AWTD" (10 Days/Peak: 1[2])
Ludacris f/ Floyd Mayweather "Undisputed" (1 Day/Peak: 10)
David Archuleta "Crush" (18 Days/Peak: 1[2])
Taylor Swift "Love Story" (20 Days/Peak: 1[4])
Coldplay "Lost!" (3rd Day/RETURN/Peak: 10)
Kevin Rudolf "Let It Rock" (19th Day/=/Peak: 1[2])
Common f/ Pharrell "UMC" (5th Day/=/Peak: 4)
Natasha Bedingfield "Angel" (30th Day/=/Peak: 1[4]) 
Pussycat Dolls "IHTP"(5th Day/-2/Peak: 4)
Brandy "Right Here (Departed)" (35th Day/+1/Peak: 1[4])
Ciara f/ T-Pain "Go Girl" (13th Day/-1/Peak: 1[1])
Chris Brown f/ Keri Hilson "Superhuman" (3rd Day/+2/Peak: 3)
Beyonce "If I Were A Boy" (7th Day/=/Peak: 1[2])
Britney Spears "Womanizer" (10th Day/=/Peak: 1[4]) 
