![](/media/forums/images/spacer.gif)
|
![](/media/site_images/spacer.gif)
|
![](/media/forums/images/spacer.gif)
![](/media/site_images/spacer.gif)
|
![](/media/site_images/spacer.gif)
Written by Stefani Germanotta and Nadir Khayat
![](/media/site_images/spacer.gif)
Originally performed by Lady Gaga
![](/media/site_images/spacer.gif)
Soloist(s): Heather Boyce
![](/media/site_images/spacer.gif)
|
|
![](/media/site_images/spacer.gif)
|
|
|
![](/media/site_images/spacer.gif)
|
![](/media/site_images/spacer.gif)
Written by Katy Perry, Gino Barletta, Hayley Warner, Anton Zaslavski, Leah Haywood, Daniel James, Dagny Sandvik, Michelle Buzz and Jason Gill
![](/media/site_images/spacer.gif)
Originally performed by Katy Perry
![](/media/site_images/spacer.gif)
|
|
![](/media/site_images/spacer.gif)
|
|
|
|
|
|