Katy Perry not ready to reveal all
She believes certain things should be kept between two people.
"I didn't get too detailed about the specifics because I believe that's only supposed to be between the two people that are in it," The Sun UK quoted the 27-year-old as saying.
"I just wanted to encourage people, to let them know that it's okay if they have problems. It's okay if they're going through a situation, they don't have to lay down and die, they can get through it," Perry said.
The documentary releases July 5.
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Date 28-05-14, Duration 1:00, Views 14531