Who's+Better+Singer

( u can answer these if u know them or not )

Justin Bieber or Jason Derulo? McGee, Jason Derulo Michael Jackson or Queen? McGee, Michael Jackson Katy Perry or Lady Gaga? McGee, Lady Gaga Beyonce or Rihanna? McGee, Beyonce Green Day or Linkin Park? McGee, Green Day Beyonce or Lady Gaga? McGee, Beyonce Taio Cruz or Chris Brown? McGee, Taio Cruz 50 Cent or Jay-Z? McGee, Jay-Z B.O.B or Justin Bieber? McGee, B.O.B