It's Lady Gaga's birthday! What do you think is her BEST song?

Lady Gaga's 40-year style evolution: Singer toned down her provocative look after establishing herself as an actress and finding love away from the stage as she gets ready for marriage and marks milestone birthday

Lady Gaga gives exciting update on wedding to fiance Michael Polansky... two years after engagement

Anne Hathaway's song for her pop star movie is revealed as she plays a cross between Taylor Swift and Lady Gaga