15 - Rita Ora
14 - Drake
13 - Miley Cyrus
12 - One Direction
11 - Demi Lovato
10 - Bruno Mars
09 - Taylor Swift
08 - Chris Brown
07 - Selena Gomez
06 - Katy Perry
05 - Beyonce
04 - Nicki Minaj
03 - Lady Gaga
02 - Justin Bieber
01 - Rihanna
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14 - Drake
13 - Miley Cyrus
12 - One Direction
11 - Demi Lovato
10 - Bruno Mars
09 - Taylor Swift
08 - Chris Brown
07 - Selena Gomez
06 - Katy Perry
05 - Beyonce
04 - Nicki Minaj
03 - Lady Gaga
02 - Justin Bieber
01 - Rihanna