They are both about the same popularity
probably rihanna because she has sung longer than lady gaga.
lady gaga is definetly more famous
Lady Gaga is more famous.
Lady gaga
No, Lady Gaga is more famous.
rihanna
probably rihanna because she has sung longer than lady gaga.
Lady GaGa
Lady GaGa
Lady Gaga is more famous.
lady gaga is definetly more famous
Lady gaga is more famed
Lady gaga
lady gaga
Lady Gaga
Lady Gaga
Lady Gaga