Probably Whitney Houston - for her massacre of the beautiful love song 'I will always love you' - when she turned it into a power-Ballad !
Whitney Houston because she has been known for so many years and most cd's bought.
Hands down it's whitney houston
Lady gaga
Lady Gaga is more famous.
lady gaga is definetly more famous
Lady Gaga.
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"