She was born in Santa Barbara, California on October 25, 1984.¹⁾

Her voice range is contralto.²⁾

Katy Perry is not her given name. Her given name is Katheryn Elizabeth Hudson, but she altered it to prevent confusion with the actress Kate Hudson.³⁾

Perry is her mother's maiden name.⁴⁾

Angela, her older sister, and Dan, her younger brother, are her siblings.⁵⁾

Her musical inspirations include Alanis Morrissette and the late Queen frontman Freddy Mercury.⁶⁾

Her parents are both pastors. As a kid, she began singing at her parents' church.⁷⁾

Katy Perry and Paul McCartney are best friends.⁸⁾

Katy Perry assisted with the delivery of a baby in a living room. Angela Hudson, Katy Perry's older sister, gave birth to the child in the living room of a friend.⁹⁾

Perry was raised with strict Pentecostal Christian parents who forbade her from seeing The Smurfs or reading Harry Potter. Katy made her feature film debut as Smurfette in The Smurfs in July 2011.¹⁰⁾

“Teenage Dream” scored five No. 1 singles, tying Michael Jackson's “Bad” album for the most ever on an album.¹¹⁾

Katy Perry obtained her GED after only a few months of high school in order to pursue her singing career.¹²⁾

She has an active Twitter account to stay in contact with her followers. In October 2012, it was discovered that Katy Perry's Twitter account had the third most followers behind Justin Bieber and Lady Gaga. She has almost 30 million followers.¹³⁾

Katy Perry is a homosexual rights activist. She is also one of the celebs that voted “NO” to Prop 8, a California state amendment that declared that marriage may only be between a man and a woman.¹⁴⁾

Katy Perry married British comedian Russell Brand on October 23, 2010 while on vacation in Rajasthan, India. The ritual was performed in the traditional Indian manner.¹⁵⁾

Katy Perry possesses lengths of hair from Taylor Swift and Miley Cyrus and keeps them in her purse.¹⁶⁾

Katy Perry has four tattoos on her body. She has 'Jesus' tattooed on her left wrist, a Sanskrit tattoo on her left arm that says “Go with the Flow,” a strawberry tattoo on her left foot, and a peppermint tattoo on her right foot.¹⁷⁾

Katy Perry has a cat named Kitty Purry as a pet. She adores her cat and is frequently seen giving Kitty haircuts. Kitty Purry also has her own blog and was nominated for a Teen Choice Award in the category of Best Celebrity Pet in 2009.¹⁸⁾

She utilizes the jumping rope to be physically fit and maintain her perfect body.¹⁹⁾

When her song “I Kissed a Girl” was released, it quickly became a fan favorite. Even now, when she plays the song at performances, her fans frequently throw cherry chapsticks at her.²⁰⁾

She originally got the attention of Nashville, Tennessee producers when she was 15 years old and singing in a church choir. They took her to Nashville to aid her with her writing talents and to teach her how to play the guitar.²¹⁾

She joined Simon Cowell as a guest judge on The X Factor in 2010.²²⁾