London, April 1 - Singer Rihanna has revealed that her bond with Katy Perry is based on a proper friendship, it's more than the fake showbiz friendship.
"She's unbelievable, unbelievable! She is such a strong being. She wants to be there for me and I'm like, 'Girl, I'm supposed to be there for you, don't worry about me right now!' She's incredible like that. She's one of my best friends in the industry," themirror. co. uk quoted Rihanna as saying.