Five Fun Facts About Kelly Clarkson

5. Performed Ave Maria for Pope Benedict XVI in April 2008 at St. Joseph's Seminary in Yonkers, New York.

4. Is a huge animal lover and started an organization called Eddie's Rescue Ranch that saves various animals in need including dogs, cats, horses, goats, pigs and donkeys.

3. When asked by Teen People to name the first album she ever owned, she responded, "I actually bought three at the same time: Guns N' Roses' Appetite for Destruction, some Boyz II Men discs and Reba McEntire. I love everything."

2. Once worked as an extra on Melissa Joan Hart's TV series Sabrina, the Teenage Witch.

1. Born Kelly Brianne Clarkson on April 24, 1982 in Fort Worth, TX -- her mother was an elementary school teacher and her father an engineer.

This singer -- who shot to fame after winning American Idol's inaugural season -- officially revealed Monday that she's expecting a girl with husband Brandon Blackstock! Here are five things you may not know about Kelly Clarkson.