Gaga uses crowd shots from Madonna's Grammy performance and added them to the YouTube clip of her own performance at the :26 second mark. Here you can see Gaga's YouTube video that she posted on her channel http://youtu.be/k-38idLPYDw
You can see Gaga's original TV broadcast version here - http://www.dailymotion.com/video/x2gwu03_gaga-broadcast-version_music
