Lady GaGa Performs With Giant Shoe Piano On Oprah
The huge stiletto was designed by her younger sister, Natali Germanotta...
Oprah Winfrey in her last ever American Idol bosses have announced that GaGa will be appearing on the show next week as a guest mentor.
It is thought that the Just Dance hitmaker and her record label boss, Jimmy Iovine, will advise the final four hopefuls, with GaGa performing live next Wednesday evening.
