1. Taylor Swift
2. One Direction
3. All Time Low
4. The Cab
5. Imagine Dragons
6. Ed Sheeran
7. Boys Like Girls
8. Selena Gomez & The Scene
9. Maroon 5
10. The Script
1. Ke$ha
2. Nicki Minaj
3. Madonna
4. Christina Aguilera
5. Lana Del Rey
6. Marina & the Diamonds
7. Carly Rae Jepsen
8. Justin Bieber
9. Rihanna
10. Karmin
1) Lana Del Rey
2) Katy Perry
3) Phillip Phillips
4) Taylor Swift
5) Sky Ferreira
6) Azealia Banks
7) The Veronicas
8) The Wanted
9) Hilary Duff
10) Joe Jonas
Calvin Harris
The Wanted
Taylor Swift
Rihanna
Pink
Phillip Phillips
PSY
Azealia Banks
Cher Lloyd
Nicki Minja
Maroon 5
Lana Del Rey
Lady Gaga
Ke$ha
Imagine Dragons
Katy Perry
Ed Sheeran
Christina Aguilara
Carly Rae Jepsen
Justin Bieber
Adele
One Direction