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
Teenage Dream (Katy Perry song) guest and performed the song on "Saturday Night Live". On October 2010, she performed the song on "Wetten, dass..?" in Germany. Perry performed the song with actor Darren Criss for the first time on the "Trevor Project Live" on December 5, 2010. On February 13, 2011, Perry performed "Teenage Dream" at the 53rd Grammy Awards. The song was featured on the set list of the California Dreams Tour in 2011 as the opening act of the show. The show begins with a video screen introduction which tells the story of a girl named Katy who lives in a colorless world