Lady Gaga
to get lady gaga on rock band 3, you have to go to "get more songs" go to rock band store. have the money, and search for lady gaga, then buy it. on a side note, you can get "poker face" sung by Eric cartman from southpark also. hehehe.
Lady GaGa
Lady GaGa
lady gaga
Lady gaga
lady gaga
Lady Gaga
Lady Gaga
Lady Gaga
Lady Gaga.
Lady Gaga for sure
Lady Gaga "the monster"