New York: Singer Katy Perry says shooting without make up was the hardest for her while filming her 3D concert film “Part of Me”.

“Well it’s a lot of different parts of me, this film, and some of them are, well they were difficult to put in – especially the ones of me with no make-up,” contactmusic.com quoted Perry as saying.

“Part of Me” is set to release in July. Perry has promised that the project – which combines concert footage with her everyday life. The singer is likely to reveal some intimate details of her life.

“A lot of people have a lot of ideas about me, but this is a film that I made for myself, for my fans … so that they can get the all-access pass. And I’ve never been this revealing,” she said.

Keywords: Katy Perry, Singer