In my opinion, Hermione Granger is more famous, but some peoples opinion is Lady Gaga, which is not in my case.
hermione granger is more popular because Harry Potter books are international where as only few know lady gaga
Lady GaGa
Lady GaGa
lady gaga
Lady Gaga
lady gaga
Lady gaga
Lady Gaga
Lady Gaga.
Lady Gaga
Lady Gaga for sure
Lady gaga du
Lady Gaga "the monster"