- Her real name is Katheryn Elizabeth Hudson.

- She was born on October 25, 1984.

- Her origen is Santa Barbara, California.

- Her first album was released back in 2001 with Christian music.

- Her single “I Kissed a Girl” has sold more than 1.5 million copies.

- She has a tattoo on her wrist that says “Jesus”.

- Both of Katy’s parents are pastors.

- She grew up listening to gospel music and singing in church.

- She loves artist like Queen, The Beach Boys, Heart, Gwen Stefani, Rufus Wainright, Imogen Heap and Madonna.

- Her favorite colors are Blue, Green, Brown, yellow and sometimes funky neon colors.

- She changed her last name from Hudson to Perry to avoid being confused with American actress Kate Hudson.

- Perry is her mother’s maiden name.

- She performed Madonna’s “Like a virgin” at the MTV VMA’s 2008.

- Madonna loved Katy’s song “Ur so gay”.