https://www.youtube.com/watch?v=Z1HRp8XRUhM   ABC LINKS: https://twitter.com/ABCNetwork/status/569719825280294912 https://www.facebook.com/video.php?v=944909818886488&fref=nf ** RETWEET AND SHARE **   The world's BIGGEST pop star of the 21st century takes the stage of the world's biggest award show!   LADY GAGA FEBRUARY 22ND, 2015 OSCAR'S DEBUT - PERFORMING A TRIBUTE TO 'THE SOUND OF MUSIC'!   Discuss everything Lady Gaga related at the Oscar's here! Her red carpet looks, perfo