Katy Perry Live: Witness World Wide life, which occurred following her 2012 divorce from Russell Brand, and led her to write the song "By the Grace of God" in 2013. As Perry broke down emotionally, a member of her entourage suggested she end the session, but she declined. She also addressed her sexuality and the reasons why she went public with her feud with Taylor Swift. Perry, who was born Katheryn Hudson, talked about her pop star persona, saying "the fantasy of Katheryn went into Katy and made this bigger-than-life personality," and shared that her new very short haircut was because she "didn't want to look
Part of Me (Katy Perry song) "MTV First: Katy Perry", in which Perry discussed her experiences filming the video and the background of the video's plot: Well, I actually had the idea, I wrote the story about what it is actually like to be in the Service, and it does take a lot of physical strength, but now that I've been through it – and even just for the three days I was there, [it's] a lot of mental strength. We used only Marines, no actors or actresses. We used all of the Marine's equipment and they were so lovely to us, I always have fun