| Date |
Number One |
Number Two |
|
12-18-2010 |
Katy Perry - "Firework" |
Rihanna - "Only
Girl (In The World)" |
|
12-11-2010 |
Katy Perry - "Firework" |
Rihanna - "Only
Girl (In The World)" |
|
12-04-2010 |
Rihanna - "Only
Girl (In The World)" |
Katy Perry - "Firework" |
|
11-27-2010 |
Rihanna - "Only
Girl (In The World)" |
Katy Perry - "Firework" |
|
11-20-2010 |
Rihanna - "Only
Girl (In The World)" |
Katy Perry - "Firework" |
|
11-13-2010 |
Rihanna - "Only
Girl (In The World)" |
Bruno Mars - "Just
The Way You Are" |
|
11-06-2010 |
Rihanna - "Only
Girl (In The World)" |
Bruno Mars - "Just
The Way You Are" |
|
10-30-2010 |
Bruno Mars - "Just
The Way You Are" |
Rihanna - "Only
Girl (In The World)" |
|
10-23-2010 |
Katy Perry -
"Teenage Dream" |
Bruno Mars - "Just
The Way You Are" |
|
10-16-2010 |
Katy Perry -
"Teenage Dream" |
Bruno Mars - "Just
The Way You Are" |
|
10-09-2010 |
Katy Perry -
"Teenage Dream" |
Bruno Mars - "Just
The Way You Are" |
|
10-02-2010 |
Katy Perry -
"Teenage Dream" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
09-25-2010 |
Katy Perry -
"Teenage Dream" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
09-18-2010 |
Katy Perry -
"Teenage Dream" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
09-11-2010 |
Katy Perry -
"Teenage Dream" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
09-04-2010 |
Katy Perry -
"Teenage Dream" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
08-28-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
08-21-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Eminem f/ Rihanna
- "Love The Way You Lie" |
|
08-14-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Lady GaGa -
"Alejandro" |
|
08-07-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Lady GaGa -
"Alejandro" |
|
07-31-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Lady GaGa -
"Alejandro" |
|
07-24-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Lady GaGa -
"Alejandro" |
|
07-17-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Lady GaGa -
"Alejandro" |
|
07-10-2010 |
Katy Perry f/
Snoop Dogg - "California Gurls" |
Lady GaGa -
"Alejandro" |
|
07-03-2010 |
Lady GaGa -
"Alejandro" |
Katy Perry f/
Snoop Dogg - "California Gurls" |
|
06-26-2010 |
Lady GaGa -
"Alejandro" |
Katy Perry f/
Snoop Dogg - "California Gurls" |
|
06-19-2010 |
Lady GaGa -
"Alejandro" |
Katy Perry f/
Snoop Dogg - "California Gurls" |
|
06-12-2010 |
Lady GaGa -
"Alejandro" |
Christina Aguilera
- "Not Myself Tonight" |
|
06-05-2010 |
Christina Aguilera
- "Not Myself Tonight" |
Lady GaGa f/
Beyonce - "Telephone" |
|
05-29-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Christina Aguilera
- "Not Myself Tonight" |
|
05-22-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Christina Aguilera
- "Not Myself Tonight" |
|
05-15-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Christina Aguilera
- "Not Myself Tonight" |
|
05-08-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Rihanna - "Rude
Boy" |
|
05-01-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Rihanna - "Rude
Boy" |
|
04-24-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Rihanna - "Rude
Boy" |
|
04-17-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Rihanna - "Rude
Boy" |
|
04-10-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Rihanna - "Rude
Boy" |
|
04-03-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Rihanna - "Rude
Boy" |
|
03-27-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Lady GaGa - "Bad
Romance" |
|
03-20-2010 |
Lady GaGa f/
Beyonce - "Telephone" |
Lady GaGa - "Bad
Romance" |
|
03-13-2010 |
Lady GaGa - "Bad
Romance" |
Lady GaGa f/
Beyonce - "Telephone" |
|
03-06-2010 |
Lady GaGa - "Bad
Romance" |
Lady GaGa f/
Beyonce - "Telephone" |
|
02-27-2010 |
Lady GaGa - "Bad
Romance" |
Ke$ha - "Tik Tok" |
|
02-20-2010 |
Lady GaGa - "Bad
Romance" |
Ke$ha - "Tik Tok" |
|
02-13-2010 |
Lady GaGa - "Bad
Romance" |
Owl City -
"Fireflies" |
|
02-06-2010 |
Lady GaGa - "Bad
Romance" |
Owl City -
"Fireflies" |
|
01-30-2010 |
Lady GaGa - "Bad
Romance" |
Ke$ha - "Tik Tok" |
|
01-23-2010 |
Lady GaGa - "Bad
Romance" |
Ke$ha - "Tik Tok" |
|
01-16-2010 |
Lady GaGa - "Bad
Romance" |
Ke$ha - "Tik Tok" |
|
01-09-2010 |
Lady GaGa - "Bad
Romance" |
Owl City -
"Fireflies" |
|
01-02-2010 |
Lady GaGa - "Bad
Romance" |
Owl City -
"Fireflies" |
